问题
问答题 简答题
简述方铅矿成因产状。
答案
参考答案:
1、产于接触交代矿床中:常与磁铁矿、黄铁矿、磁黄铁矿、黄铜矿、闪锌矿以及矽卡岩矿物共生。
2、产于中低温热液矿床中:常与闪锌矿、黄铜矿、黄铁矿、石英、方解石、重晶石等共生,形成脉状充填或交代矿床。方铅矿物常与银矿物共生。
简述方铅矿成因产状。
参考答案:
1、产于接触交代矿床中:常与磁铁矿、黄铁矿、磁黄铁矿、黄铜矿、闪锌矿以及矽卡岩矿物共生。
2、产于中低温热液矿床中:常与闪锌矿、黄铜矿、黄铁矿、石英、方解石、重晶石等共生,形成脉状充填或交代矿床。方铅矿物常与银矿物共生。
用方框内所给的适当形式填空。 | |
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1. He told us a really ______ story. 2.It will be a ______ day. 3.The movie was boring. I fell ______ half way through it. 4. Tony is ______ in math. 5. Her little son likes to go to an ______ park. 6.I got a photo album on my ______ birthday. 7. He always does his homework ______ . 8. Children enjoyed ______ at the party last night. 9. Bruce needs time and ______ to relax,and he needs time to do things by himself. 10. Fortunately, Yang Lei's mother agreed with her daughter's______ . |