这个化石是什么?这个水晶是什么?- 江南体育网页版- - - - -地球科学堆江南电子竞技平台栈交换 最近30从www.hoelymoley.com 2023 - 07 - 10 - t12:35:40z //www.hoelymoley.com/feeds/question/23148 https://creativecommons.org/licenses/by-sa/4.0/rdf //www.hoelymoley.com/q/23148 5 这个化石是什么?这个水晶是什么? Eric Duminil //www.hoelymoley.com/users/12617 2021 - 11 - 13 - t21:33:31z 2021 - 11 - 16 - t21:36:56z < p >我的女儿发现这化石虽然走在< a href = " https://en.wikipedia.org/wiki/Swabian_Jura " rel = " nofollow noreferrer " >斯瓦比亚侏罗山脉< / >,在德国南部。< / p > < p > < a href = " https://i.stack.imgur.com/YZOAv.jpg " rel = " nofollow noreferrer " > < img src = " https://i.stack.imgur.com/YZOAv.jpg " alt = "化石+水晶" / > < / > < / p > < p >她问我,但是我绝对0对地质线索。水晶部分直径3厘米,但是有一个光明的地区,这可能也属于化石,直径6.5厘米。< / p > < p >是< a href = " https://en.wikipedia.org/wiki/Ammonoidea " rel = " nofollow noreferrer " >亚扪人< / > ?会是多大了?真的是一种晶体,它是一些盐吗?< / p > < p >我很乐意给我女儿任何信息。All I've got until now is "That's a beautiful fossil".

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Does this also belong to the fossil? detail

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 //www.hoelymoley.com/questions/23148/-/23163 # 23163 8 由托马斯·佩里回答这个化石是什么?这个水晶是什么? 托马斯·佩里 //www.hoelymoley.com/users/24875 2021 - 11 - 16 - t21:36:56z 2021 - 11 - 16 - t21:36:56z < p >是的,这是一个相当不错的发现;亚扪人的侏罗纪在中欧。给定样本的大小,它的外观,这似乎是物种的< em >心菊石属< / em >或< em > Perisphinctes。< / em >这些菊石类属于头足纲,盘绕头足类动物。他们生活在大约1.6亿年前。亚扪人的顺序,< em >心菊石属< / em >和< em > Perisphinctes < / em >属于叫做ammonitids,开始它们的进化路径在侏罗纪时期,盛行于三叠纪和白垩纪,然后在白垩纪末灭绝。的常见物种不同的子类,鹦鹉螺目动物,有关这些侏罗纪亚扪人。这是鹦鹉螺< / em > < em >,最原始的头足类动物,今天仍然生活。< / p > < p >的中心部分化石似乎硅化和石英。微弱的外部区域也这化石的一部分的外缘有一个保存部分的外壳是可见的。的中心部分化石显示了几个不同的< em > camerae。< / em >每个镜头形成的废弃的生活室壁随着动物的成长,形成了一个新的生活。 The last living chamber of this animal is likely the faint outer region surrounding the central quartz filled area. With some estimation, one may count approximately 16 or 17 previous living chambers, with the last (or 18th) being open.

The host rock shows one other fragmentary view of an ammonite, readily seen by the distinct ridges of the corrugations in the shell. There are other fossil fragments also visible. They were not readily identified, however.
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