硅化了

来源: 猪先知 于 2006-10-13 13:55:14 [] [旧帖] [给我悄悄话] 阅读数 : (307 bytes)
本帖于 2006-10-13 18:06:15 时间, 由普通用户 DeepCreek 编辑

The organic matter has turned into different types of agate-like minerals, such as jasper, crystal and amethyst. The color and quality varies based on many factors, in particular the metal impurity. In the old days, some people used dynamite to blow up the petrified wood to extract the semi precious stone.

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• 老猪还挺专业的 :),谢谢。 -DeepCreek- ♂ 给 DeepCreek 发送悄悄话 DeepCreek 的博客首页 (0 bytes) () 10/13/2006 postreply 14:07:04

• 谢谢两位.补充两张近镜头 -erdong- ♀ 给 erdong 发送悄悄话 (214 bytes) () 10/13/2006 postreply 14:09:54

• 对，就是这样。 -DeepCreek- ♂ 给 DeepCreek 发送悄悄话 DeepCreek 的博客首页 (0 bytes) () 10/13/2006 postreply 14:11:29

• 好照片.顶一下. -猪先知- ♂ 给 猪先知 发送悄悄话 (578 bytes) () 10/13/2006 postreply 14:38:36

• 谢猪前辈指点 -erdong- ♀ 给 erdong 发送悄悄话 (279 bytes) () 10/13/2006 postreply 16:46:44

• 回复：谢猪前辈指点 -猪先知- ♂ 给 猪先知 发送悄悄话 (196 bytes) () 10/14/2006 postreply 10:05:57

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