1. Gold is fine grained, associated with strong silicification.

2. The enrichment of antinomy is closely related to silicification.

3. Wall rock alterations include sericitization, silicification, potassic feldspathization, biotitization, pyritization, hematitization and hydrous kaolinization.

4. Wallrock alterations such as silicification, fluoritization, malachitization, baratization and calcitization are well developed.

5. Gold mineralization has close relation with silicification and pale red Kfeldsparization.

6. Potassic and silicification in all alteration type are most close to mineralization.

7. Silicification, sericitization, kaolinitizatin pyritization etc. are strong and wide spread.

8. The mineralization is closely associated with silicification and chloritization of rocks.

9. The most important country rock alterations are silicification, sericitization and pyritization which are closely associated with gold deposit.

10. The alteration are mainly silicification, sericitization, k feldspathization and pyritization.

11. Silicification, potassic alteration, pyritization and sericitization are main alterations for the gold deposit.

12. Gold bodys are metasomatic vains, and was generated by diorite and surrounding rock which suffered multi-stage breccia, silicification and sericite hydrothermal alteration.

13. The Malutang Au deposit is controlled by NW-trending fractures with Au mineralization associated with pyritization, arsenopyrite mineralization and silicification .

14. Arsenian pyrite is the most important Au-bearing mineral, and silicification with quartz veins is the well-marked hydrothermal alteration.

15. In the ore field, the mineralization and alteration is intensive distributed in the wall rocks. The skarn alteration, silicification and epidotization are most correlative to metallogenesis.

16. Studies indicate that the silicified rocks can be recognized for their primary rocks in spite of some changes in REE geochemical characteristics during silicification.

17. The meta-somatic processes predominating in the granitic rocks in Zhejiang Province include alkali enrichment caused by metasomatism, i. e. seriatization, microclirization, and silicification.

18. There is a close relationship of gold mineralization to silicification, sericitization and chloritization. The potential reserves of this deposit may exceed a large size gold deposit.

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19. The gold mineralization is represented by the association of silicification, dolomitization and pyritization.

20. There is a close relationship between gold mineralization and tourmalinization and silicification.