1. A thick layer of clay lies over the sandstone.

2. Houses in the area are built of sandstone.

3. Rugged sandstone cliffs rose up from the beach.

4. Certain types of sandstone are permeable to water.

5. Both clay and sandstone are unstable rock formations.

6. Sand was deposited which hardened into sandstone.

7. The video opens in a red sandstone canyon.

8. The Island is composed mainly of red sandstone.

9. Limestone and sandstone are quite unsuitable.

10. Wind scuffed up dust and moaned in the sandstone.

11. Strange, windswept cliffs of sandstone break through rolling hills of soft, powdery soil.

12. Note: sandstone grades are for on-sight ascents using rope knots for the first time.

13. Sandstone, for example, can hold very large volumes of groundwater because spaces are formed between the rock's rounded quartz grains.

14. Soon the soft sandstone of Glen Canyon was replaced by the fabulous coloration of Marble Canyon.

15. The land is old red sandstone with a very high content of fine silts.

16. The rock is the most perfect sandstone imaginable; the situation incomparable.

17. Sandstone sequences are the result of both provenance and tectonic environment, modified by climate, depositional environment and later diagenetic events.

18. Aboriginals still point to various rocky outcrops or sandstone gullies which trace the Myndie Snake's progress through the outback.

19. From above, the sandstone looks like solid rock, terminating at a 20-foot cliff.

20. Porous sandstones near the top of the Sherwood Sandstone occur beneath thick impervious halite horizons in the Mercia Mudstone.

21. An aquifer is a water - bearing rock stratum such as sandstone and chalk.

22. The fossils lie embedded in a matrix of shale and sandstone.

23. The cliffs are characterized by remarkable zigzagging strata of shale, limestone and sandstone.

24. Architecturally, as in other ways, this pleasing street scene was dominated by an elegant seven-bay house in red Quantock sandstone.

25. Caves of Almanzora Even today, groups of gypsies still dwell in these amazing caves, carved deep into sandstone cliffs.

26. Some of his best work, on glaciation and on Old Red Sandstone, was done in his spare time.

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27. The buried trees became coal seams and the mud and sands turned to shale and sandstone.

28. These were a series of ore bodies which occurred in a 5 m thick sandstone unit and became zinc-rich towards the east.

29. Right: The final rib gives pleasant climbing on immaculate Torridonian sandstone.

30. Now it stood clear: the reek of fish, and sandstone cut with a Presbyterian trowel.

1. A thick layer of clay lies over the sandstone.

2. An aquifer is a water - bearing rock stratum such as sandstone and chalk.

3. Houses in the area are built of sandstone.

31. Sandstone, a sedimentary rock and quartzite, a metamorphic rock, both contain a high proportion of quartz.

32. Suddenly patches of pink sandstone were again visible in the courtyard.

33. These fossil seeds are preserved in a relatively coarse-grained sandstone.

34. Scenes will take place in remote woodland as well as the disused red sandstone Irby quarry.

35. Wealth, culture, and international adventure had turned a tiny collection of huts into a huge sandstone metropolis.

36. The buried forests became seams of coal and the strata of mud and sand hardened into shale and sandstone.

37. Once upon a time people crowded into those sandstone houses at the market cross.

38. Built between 1846 and 1848, mainly of local red sandstone, it carries the line 169 feet above the river.

39. A Barren Measures' sandstone reservoir study was based on log analysis of three wells in the study area.

40. Fossils are harder to remove intact from sandstone than from clay.

41. As the deposits accumulated, they compacted into shales and sandstone.

42. The late-afternoon sunlight ricocheted and reflected off the sandstone, illuminating the narrow gorge with a cool radiance.

43. Nearer Lexington Avenue, the shops that had invaded the row of red sandstone town houses were beginning to open.

44. Another clearly discernible unconformity separates the Grand Canyon series from the overlying pebbly brown Tapeats Sandstone.

45. Now the mud and sand have formed strata of clay and sandstone.

46. The infilling sandstone is derived from the fossil soil over which the root was growing.

47. The blocks of high land are masses of granite, called batholiths, except Exmoor which is made of sandstone.

48. Prominent strips of inlay were left unfinished; awkward patches of pink sandstone intrude into the glistening white of the dome.

49. Opposite: Tropical community aquarium with yellow sandstone and natural plants.

50. These were of a soft-hued golden sandstone topped by russet-toned pantiles.

51. This delicate fern is preserved in a very fine-grained sandstone, which fractures rather irregularly.

52. Three hundred metres down this narrow road, opposite a red sandstone church, are the meadows.

53. Across the flat tableland are almost 100 red and orange monolithic sandstone buttes and mesas jutting skywards.

54. Roll deposits cut across sandstone bedding.

55. Limestone and sandstone for flooring, paving and rangecolour choices.

56. The Point Lookout is not a uniform blanket sandstone.

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57. This channel is filled with cross - bedded sandstone.

58. This sandstone consists of quartz primarily and feldspar secondly.

59. These sandstone bodies form elongate lenses.

60. It includes epigenetic uranium impregnations in sandstone.

61. These organics impregnate large volumes of sandstone.

62. The sandstone shows a more persistent oscillation.

63. The floor is tiled sandstone.

64. A bluish-gray sandstone used for paving and building.

65. Sandstone is our most recently developed product.

66. The Glauconite Sandstone is a persistent stratigraphic unit.

67. In the clastic reservoirs of west Sichuan Basin, sandstone and mudstone, tight sandstone and loose sandstone can be recognized by megascopic cuttings determination and drill time changes.

68. In Changxing Basin, there are abundant ground water resources, such as pore water of Quaternary system, fracture water of sandstone, fracture water and cavern water of carbonatite.

69. In the foreland basin sediment environment, the transilient group of mud rock and sandstone are the main sediment features of low-stand system tract.

70. With meso-high porosity and permeability, the Donghe sandstone member of Upper Devonian Donghetang Formation is the most important pay bed.

71. Basins in Jiangxi province mostly are red basins dominated by sandy conglomerate, and some conglomerate and sandstone with calcareous and ferruginous cementation.

72. Lithology of the Chang-8 oil reservoirs is mainly fine-medium lithic feldspathic sandstone and feldspathic detritus sandstone.

73. The reservoir rocks consist of conglomerate, pebbly sandstone, medium-fine sandstone and siltstone.

74. This paper gives the reasons why cracks are formed in the walls of multistorey buildings with blocks of red sandstone as building material and also gives preventive measures against the cracks.

75. Both the two plates of thrust are the thick sandstone with high permeability, and these thrust block traps can accumulated heavy oil.

76. Tetrahedron sandstone statues tower, the existing four, descending, were folded pyramid.

77. It is shown that the pore ratio and permeability of sandstone are reduced with the increasing of confining pressures conforming to the rule of logarithmic function.

78. Gritrock is siliceous sandstone.

79. Mid-lower cretaceous sandstone uranium deposit of basin of Guojiawan and Guguan in north China platform west and Qinqi geosyncline east.

80. The formation of secondary quartz, albitite, calcite and laumontite affected the storage physical properties of sandstone in different degrees.

81. Uranium exploration for unconformity-related deposits in Palaeoproterozoic metasediments was carried out below a thick cover of Kombolgie Sandstone at Arnhen Land, Northern Territory.

82. For clean sandstone, the acoustic dispersion of compressional wave exists obviously when its porosity is more than 28%.

83. The buried hill tuff oil pool of Hanan Oilfield has an unconformable contact with overlying sandstone of Aershan Group.

84. Porosity logging methods examining gas reservoirs of sandstone and argillaceous sandstone through acoustic wave and density are effectively used in coal beds.

85. Two kinds of failure theories are used to explain the failure types of sandstone with large porosity based on the experimental results under different saturated liquid conditions.

86. The Jurassi reservoir in Wu-Xia area is dominated by lithic sandstone and feldspathic litharenite under alluvial fan, fan delta and braided river sedimentary environments.

86. is a online sentence dictionary, on which you can find nice sentences for a large number of words.

87. At the brink of 400ft sandstone cliffs, tussocky clumps of sea pinks quivered as the waves agitated below.

88. The result shows that the density and bulk modulus are sensitive to gas bearing formation and the gas bearing sandstone is characterized by low density and bulk modulus.

89. There exist two types of organic inclusions in the quartzose grain cracks of oil sandstone reservoir in Lukeqin structural belt, Turpan-Hami basin.

90. The calculation method of primary wave and second wave speed were studied when the oil saturation and effective pressure of unconsolidated sandstone reservoir with high porosity in X Oilfield changed.

91. Along with the increase of deepness , to porosity and permeability, mudstone reduce much more than sandstone.

92. Venezuela, oil is produced from lenticular sandstone beds of the Oligocene oficina Formation.

93. Sited on a sandstone outcrop, Nottingham Castle was rebuilt as a duke's mansion in the 1670s after the original structure had been destroyed during the English Civil War.

94. Landfenture of dilapidation such as vagarious peak, stelae, cliff, grotto, gorge and deep slit was formed by the falling action of massif formatted of mallve quartz sandstone and carbonate rocks.

95. The resin sandstone flowerpot main use in feeding the flower.

96. Independent gold ore deposit mainly consists of alluvial and diluvial , slope wash sandstone and bibbley rock.

97. The occurrence of the sandstone uranium deposit is closely related to the interlayer oxidation zone.

98. The rocks, white or light yellow-white in color, is intercalated in the feldspathic quartz sandstone, siltstone and conglomerate.

99. Early Britons built Stonehenge from bluestone and a sandstone called sarcen.

100. The River Spirit Exchange took students down the Kickapoo River, a tributary of the Mississippi, past towering sandstone outcroppings.

101. There are shales and sandstones, which are marked by downslope in the continental basins and called the formation of polymict sandstone.

102. The volumetric strain of red sandstone displays obvious dilatancy in the post-peak zone.

103. The blue sandstone face contrast the stainless steel filigree and case.

104. A large scale turbidite body sedimented in Es 3 forming a large scale turbidity sandstone oilfield.

105. The field trial result showed that the method was a new approach to acidize sandstone with high success rate and long term.

106. The channel fill may consist of both horizontal and crossbeded sandstone.

107. The data of the cores and the well-logs show the rocks above the main gas layers are all sandstone instead of argillite in the Well Yingnan 2.

108. The original rock of the "Lucky Red" Sandstone is sedimentary quartzitic sandstone, which can be traced back to the Silurian period 0.438 billion years ago.

109. Taking Yongle Oilfield as an example(), this paper gives an interpretation method of effective porosity parameters suitable for shale sandstone reservoir.

110. Cretaceous sandstone and Eogene mudstone are the main reservoir and caprock.

111. The sandstone artefacts are mainly divinity statues from Brahmanism and Buddhism. Inscribed stele and architectural elements are also strongly represented.

112. In lithology , the calcareous sandstone is of coarse grain and fairly well sorted.

113. Effects of pore fluid property, contents variety and measurement frequency variety on frequency dispersion of argillaceous sandstone are analyzed.

114. This paper studied the geochronology of sandstone - type uranium deposit in the Dongsheng area of Ordos Basin.

115. Soil type consisting of various compositions of sandstone, marl, dolomite, and shingle common in Alsace dating back from the Middle Triassic period.

116. According to the uranium metallogenic theories,[] three prospective areas for sandstone - type uranium deposit have been delineated.

117. This sandstone unit is commonly thick - bedded and massive, with silty and carbonaceous laminations.

118. Erosion shaped the Navajo sandstone of the mesa on the edge of the Colorado Plateau, near the east entrance of the park.

119. Simulation experiments of oil pool formation in a single sandstone block with physical simulation equipment for the first time, in order recovery of the oil accumulation oringin.

120. As the large reservoir area, river parting, moving and diversion frequently, which cause the sandstone reservoir horizontal change tempestuously, complex geological condition and aeolotropism strong.

121. Figure 5 . Shear and bulk modulus relation for sandstone and weakly cemented sands.

122. Thermal conductivity data set from wells in East China Sea Shelf was studied in detail, it is suggested that thermal conductivity of mudstone, siltstone and sandstone can be different.

123. Through comprehensive study on the cores and well logs, the author believes that the sandstone mainly comes from subaquatic distributary channel and mouth-bar.

124. We suggest to loosen the Danxia land-forms, out standing "red, sandstone, the gravel rock", geology characteristic that limit "the crest is flat, steep slope, slow foothill" is then.

125. Application : for granite, sandstone, limestone , brick refractory material etc.

126. The age equivalence of fossils found in the sandstone and the shale is thus demonstrated.

127. Monggulin sandstone reservoir is a thin layered heavy oil reservoir with weak edge water.

128. Ore-forming protolith of schist-quartzite type kyanite deposits is Al-rich clayey sandstone.

129. Analysis results of a number of testing data indicated that: sandstone reservoir of Fu-Yang oil-bearing layer has lower composition maturity, mainly are feldspathic arenite and lithic arkose.

130. Nottingham has about 500 sandstone caves, many closed to the public, Walker said. The caves date back to early Viking times in about 800 A.D.

131. The Anasazi used hardened dry mud, called adobe, along with sandstone to form intricate buildings and were sometimes found high in the natural overhangs of the mesas.

132. Wenyujin growth on lime stone soil from pure limestone and red soil from sandstone and salt were studied by parallel plant experimentation.

133. Suide Soil and Water Conservation Experimental Station of YRCC conducted tests and study on probing and using the construction method of feldspathic sandstone as dam building material in 1997.

134. As natural sandstone resources shortage, countries gradually has formulated a series of policies and regulations to limit natural sand mining.

135. The answer is the same if the limestone overlays the sandstone.

136. It is found that the oil effective permeability of low middle porous sandstone is related with the porosity, water saturation and shale volume of formation.

137. Sandstone monoliths , dubbed the Temple of the Sun and the Temple of the Moon, tower over the desert flats of Utah's Capitol Reef National Park.

138. Each sequence is composed of incised valley sandstone of low system tract, limestone, marl, coal and mudstone of transgressive system tract and clastics and coal of high system tract.

139. The type of the reservoir rock was from gray-brown to gray debris-feldspar sandstone and feldspar sandstone.

140. Lin-san for the sandstone geological rock mountain, the Department of the West Qinling geosyncline zone, hilly, steep mountains, good vegetation and beautiful scenery.

141. The most popular acid system for sandstone matrix acidizing is the conventional mud acid system.

142. And so the mineralogist considers the relatively formless marble as a special formation of rock, differing from other equally special formations, such as sandstone or porphyry.

143. Behind the habitations, the sandstone cliffs rose abruptly to the north and west.

144. Present situation of matrix acidizing on carbonate rock and sandstone is discussed.

145. A sickle-shaped creature was darting toward Chimney Rock, two sandstone pinnacles that cap a long, narrow rock platform.

146. The major pay bed is low permeable ultra dense sandstone. Its permeability and pore throat texture are very sensitive to the net pressure of overlying strata.

147. But paleontologists found a concentration of 34 bones from a single hadrosaur in the San Juan Basin sandstone.

148. The main rocks are sandstone[Sentence dictionary], mudstone and muddy siltstone or silty mudstone.

149. The scanning electron microscope ( SEM ) is employed to study sandstone fractography under thermo mechanical coupling effects.

150. This paper analyzes the drillability, hole-making and carry of coarse grain concerning the Nubia sandstone, and concludes that it is suitable to be the crossing strata.

151. Aim To study the Sedimentary characteristics and provenance region of indo-chinese epoch sandstone in Huianbu-Majiatan area, southwest edge of Ordos Basin.

152. The middle massive sandstone and upper pebbly sandstone formed in an estuary, foreshore and nearshore environments.

153. Photo and caption by Paul M. ProvencherBear Rocks Preserve is a heathland at 4000 feet, 477 acres that features sandstone and quartz rocks arranged and eroded in various ways.

154. It has several 'th-century Rajput palaces built of red sandstone. Population 253,74.

155. Nature made this den, a cave undercutting bluff of beautiful orange - beige sandstone.

156. The bedrock under the second channel sluice of Gezhouba Project is mainly composed of alternation of strata of clayey siltstone and sandstone.

157. Fractal theory was used in this paper, and fractal feature of grain distribution of sandstone in coal-bearing strata in Permo Carboniferous System was studied.

158. Scientists at Argonne National Laboratory repurposed a 1.6-kilowatt industrial laser to burn through shale, limestone, and sandstone.

159. Meanwhile, seagulls the size of winged chihuahuas stare malevolently down from steepled sandstone spires.

160. This gas field locates in Chuanxi sag, Sichan basin. Reservoir lithology is mainly brown-gray, gray and gray-green with granule lithic sandstone and lithic quartz sandstone.

161. Two-window method is used to modify CPMG pulse sequence, 2D NMR experiments on water-saturated man-made sandstone with moderate paramagnetic impurities and shaly sandstone are measured.

162. Both the upper and lower sandstone units of the precipice are oil - bearing.

163. The water injection well of sandstone reservoir may succeed more than production well if taking acid fracturing treatment because reducing of effect closed pressure on acid etching fracture.

164. Individual sandstone bodies tend to offset one another in adjacent horizon.

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166. The Red Fork comprises a complex of sandstone bodies forming an arcuate trend.

167. It is only second to Mount Athos. They were built on natural sandstone rock pillars in the plain of Thessaly.

168. Fa?ades, floors, walls and ceilings of the tower were completely covered with large slabs of red Indian sandstone hand cleaved, making the image of a monumental stone sculpture.

169. The channel type is very unusual, of all the types of sandstone.

170. The cardium sandstone is lithic, being composed of grains of chert, quartz, quartzite, silicified argillite , and other rock fragments.

171. See purple - red sandstone layers in the fossil pieces retained, Dong initially that this is pterosaur fossil.

172. Fan-delta system is characterized by rapid facies variation, narrow facies zone and multiple supply sources, which make it difficult for detailed correlation of fan-delta sandstone reservoirs.

173. Colorado plateau, constituted by Cretaceous red sandstone, formed various sized canyons and cliffs through river force.

174. Further studies on this project should provide key parameters for interpretation of oil and residual oil saturation of shaly sandstone reservoir bed.

175. Although warped by compaction, there is only stight folding of the sandstone lenses.

176. Biogas in commercial size existed in sedimentary basin which has high deposition velocity and low geothermal gradient and shale[/sandstone.html], coalbed or compacted sandstone in unconventional environments.

177. The anisotropic property of slate is more evident than that of sandstone.

178. Depositional district: lithologically , they are sandy conglomerate, sandstone, siltstone interbedded with mudstone.

179. The petroleum exploration geologist working with subsurface channel sandstone must have a background knowledge of geomorphology.

180. However, in the Salisbury area and not the Blue Mountains sandstone.

181. For sandstone reservoir, the acoustic impedance of gas-bearing sandstone is lower than that of oil- and water-bearing sandstone, gas in reservoir may be directly recognized by using this difference.

182. Sandstone and conglomerate are the consolidated equivalent of sand and gravel.

183. The contrast table of the poorest compensated results in shale, sandstone, and dolomite was given.

184. The study shows that SC_1 sandstone and SC_2 flagstone are favorable reservoir sand bodies and could be as key targets for exploration of stratigraphic and lithologic oil-gas pools.

185. Sandstone benches are directly related to steps in the strandline.

186. Photo Gallery: Jurassic Period Sandstone monoliths, dubbed the Temple of the Sun and the Temple of the Moon, tower over the desert flats of Utah's Capitol Reef National Park.

187. Reservoir rock of Jurassic and lower Cretaceous in Beishan Basin group is mainly feldspathic litharenite and lithic arkose, Secondly is lithic sandstone, Both mineral and textural maturity are poor.

188. The cower unit of the Eagle is a wellsorted lithic and glauconitic marine sandstone.

189. ASI sandstone has four main colours in its product range, that of palm grain, desert yellow , purple cloud and multi-colour.

190. Iron ores in the Gushan deposit, Anhui Province, occur in a contact tone between Mesozoic gabbro diorite and its country rocks dominated by Triassic shale, siltstone and sandstone.

191. We are able to provide natural split pavers , slate, sandstone, quartzite products, etc. Flagstone mats, pavers on mesh, cobblestone, etc.

192. Sandstone type uranium deposits in interlayer oxidation zone are large or super large and in - situ leachable.

193. The sandstone and shale units are of the same age.

194. The diagenesis of the ED3 and ES, sandstone has been evoluted to late diagenesis A and B stage, with mainly primary pores and secondary solved pores.

195. A Qatari man in a traditional white dishdasha robe and a wind-blown red-and-white kaffiyeh stands before a sandstone formation near Dukhan.

196. The results demonstrated that the Lower Carboniferous of Chaobei area is a set of littoral facies deposit, mainly limestone, a few sandstone and mudstone, ten microfacies can be identified.

197. A bend in the Colorado River horseshoes around a sandstone butte in Grand Canyon National Park.

198. This paper describes the characteristics of soil thermoluminescence curves and anomalies of leachable sandstone uranium deposits in different landscapes.

199. Finally, gas - bearing tight sandstone can be effectively identified by inversion of the reasonable log curve reconstruction.

200. It's hard not to find drama in the red sandstone formations that give Utah's Arches National Park its name—and its beauty.

201. The in situ leaching is a new advanced technology of mining uranium, being used to mining exogenetic and xenogenous unconsolidated sandstone uranium deposits.

202. However, at the fixed effective pressure level, the effect of temperature on the porosity of sandstone is very small.

203. Rosy Grait Summerhouse and Rosy Grait Peak. Danxia Landform divided by Chinese geomorphologist(by reddish sandstone). Danxia landform has been given more widely attentions for its great tourism value.

204. The reservoir sandstone was believed to have been deposited in a littoral environment.

205. Paleogene Shahejie formation is interstratified between sandstone and mudstone, "self-generation, self-reservoir and self-seal" pool-forming types are common.

206. Red maple leaves and gold on a cottonwood announce the arrival of fall in the pink sandstone canyons of Zion National Park in Utah.

207. In a word,[http:///sandstone.html] to study the fractal feature of sandstone grain distribution is directive for analysis in the complexity of sedimentary environment and sedimentary background.

208. It is used for low compressive strength and exceeding soft formation of high drillability, such as, shale, clay, sandstone, soft limestone, halite, gypsum etc.

209. The limestone, sandstone and shale of this area were soft.

210. The carbonate of host bed aquifer has great influence on sandstone type uranium deposit in - situ leaching.

211. The most ambitious is the new Svalbard Global Seed Vault, set inside the permafrost of a sandstone mountain on the Norwegian island of Spitsbergen just 700 miles from the North Pole.

212. Fracturing is a absolutely necessarily method for Daniudi upper Paleozoic sandstone gas reservoir to be put into production because of its compact reservoir.

213. Sandstone reservoir and volcanic rock distribute alternately, their thicknesses are negative correlation.

214. Hence, it allow an appropriate amount of sand production during recovery of unconsolidated sandstone gas reservoirs.

215. The main diagenetic minerals of the sandstone include calcite, chlorite, Quarta and kaolinite.

216. Early Britons built Stonehenge from bluestone and a very hard sandstone called sarcen.

217. The reservoir of Shahai Formation in Kerkang oilfield is mainly composed of lithic sandstone and sandyconglomerate.

218. The Shiqianfeng Formation is subdivided into three members, namely, Pingdingshan sandstone, Lamellibranchiate marl and gypsum lime-nodule.

219. Because there are many influential factors in experiment of acoustic velocity testing of unconsolidated sandstone, quantitative study is short of the influential factors.

220. The result shows that the permeability and macropore ratio in flooding sandstone increase greatly.

221. In this article, a procedure of making a two-dimentional physical model of micro-layered sandstone and the technique of microphotography are presented.

222. The sandstone reservoir in the Upper Paleozoic Shan32 of Zizhou-Qingjian area is combinated first by quartz sandstone and next by lithic sandstone and lithoclastic quartz sandstone.

223. Well - known for its massive red sandstone boulders, many of these formations have names, from the mushroom-shaped Seat of Pluto to the inclined Cave of the Seven Ladders.

224. But the reservoirs of coastwise bar, lacustrine bay sandstone and shore sand occur in each tract.

225. Chemical kinetics and thermodynamics of copper minerals constrain that chalcocite is main and ore zoning form in sandstone copper deposits.

226. The high water level system area sandstone thickness develops more.

227. A series of sandstone beds may crop out in one area.

228. Coquina of shoal facies, micrite of neritic facies and sandstone of tidal flat facies may constitute the reservoir rocks in which the fractures serve as reservoir space.

229. It may be concluded that the sedimentary facies, tectogenetic movement, the formation water and geothermic gradient are all important factors to form the oil-bearing sandstone.

230. The Anasazi, who eventually became the Pueblo Indians, are known for the amazing cliff dwellings they built into the region's large sandstone formations.

231. Why am I standing in a parking lot with hundreds of other people staring silently at a mound of sandstone partially buried in a sun-baked desert?

232. The fractal dimension of sandstone fragment distribution increases with the increasing of confining pressure.

233. Based on the features of geomorphology and strata in the crossing area, the Nubia sandstone is selected to be the surrounding rock.

234. Evolution of rock joints into transfixion is described by the time series from strain-stress curves, and the state of joint system in sandstone is chaotic before its ultimate state.

235. Base on AVO principle, the seismic reflection amplitude varying with offset and AVO abnormal attribute of gas-bearing sandstone are analyzed.

236. Through the experimental study on the law of ultrasonic wave and porosity, the law of effect of temperature on sandstone damage is obtained.

236. try its best to gather and make good sentences.

237. Malachite is the dominant copper mineral of sandstone copper ore in Xinjiang.

238. The East Dengba section is a record of the late stage of oceanic island development, with interbeds of acid lavas at the top, overlain by continuous deposits of limestone and sandstone.

239. The reservoirs of the Yanchang formation almost are fine feldspathic sandstone, feldspathic debris sandstone, rock fragment feldspathic sandstone, and little quartzose sandstone.

240. Blum flipped past an evocative sandstone carving of a child and a pelican, then admired a griffin plaque.

241. In consideration of the sand-control problems at the mid and late stages of unconsolidated sandstone reservoir production, a new squeeze packing sand control string is developed.

242. Their primary rocks were mainly graywacke, debris sandstone and few feldspar sandstone, ext.

243. The sandstone uranium deposits occur in the coal - bearing leuco- clastic formation, which developed in Neogene basins and unconformably overlays the granitic basement.

244. Besides sandstone formation, carbonate, igneous, igneous clastic, buried - hill metamorphic formations all witness severe damage.

244. try its best to collect and make good sentences.

245. The fractal dimensions of sandstone fragment distribution are different under different confining pressures in triaxial tests.

246. Natural sandstone with a diffuse banded structure and black colour.

247. A new sand - consolidating agent with heat resistance was prepared in accordance with sand production in high temperature sandstone reservoir. The optimum formulation was obtained by orthogonal tests.

248. On the base of research on diagenesis of Ordovivian carbonatite and quartzose sandstone in Ordos basin, preliminary Study on inclusions in these rocks have been done.

249. The sandstone-mudstone member of the Tarim Basin is a Lower Carboniferous interbedded sandstone and mudstone, with occasional interbeds of gypsum, conglomerate, and coal.

250. Based on the results of triaxial unloading tests, the stress-strain characteristics and failure characteristics of sandstone have been discussed.