最近30从www.hoelymoley.com 2023 - 07 - 10 - t12:25:25z //www.hoelymoley.com/feeds/question/15697 https://creativecommons.org/licenses/by-sa/4.0/rdf //www.hoelymoley.com/q/15697 9 jinawee //www.hoelymoley.com/users/14439 2018 - 12 - 03 - t21:57:55z 2019 - 04 - 02 - t00:17:11z

根据< p > < a href = " http://www.caverbob.com/wdeep.htm " rel = " noreferrer " > http://www.caverbob.com/wdeep.htm < / >和< a href = " http://www.caverbob.com/usadeep.htm " rel = " noreferrer " > http://www.caverbob.com/usadeep.htm < / >,美国只有洞深1000多米在夏威夷是一个熔岩洞。在美国大陆的最深的是505米。< / p > < p >另一方面在欧洲有两个洞深2000多米。< / p > < p >最大的洞穴系统是美国(< a href = " https://www.nps.gov/maca/index.htm " rel = " noreferrer " >猛犸洞穴< / >在肯塔基州。他们为什么不深吗?< / p > < p >灰岩层更薄,而且似乎已经倾斜低于欧洲。如果是这样的话,为什么? < / p >

//www.hoelymoley.com/questions/15697/-/16622 # 16622 2 user12525 //www.hoelymoley.com/users/0 2019 - 04 - 01 - t16:48:56z 2019 - 04 - 01 - t17:59:26z

< p >是与美国和欧洲的大型地质。美国在这方面是相当正常的,但欧洲的特定地质历史允许非常深的洞穴的形成。< / p > < p >在< a href = " https://en.wikipedia.org/wiki/Mesozoic " rel = " nofollow noreferrer " >中生代< / >,欧洲是一个封闭的海洋:在< a href = " https://en.wikipedia.org/wiki/Tethys_Ocean " rel = " nofollow noreferrer " >海床< / >,与浅碳酸平台。< a href = " https://en.wikipedia.org/wiki/Alpine_orogeny " rel = " nofollow noreferrer " >阿尔卑斯造山运动< / >形成了大陆与大型碳质和碳质材料出现创建山脉单位。这些碳酸盐的meteorization和侵蚀创造了大< a href = " https://en.wikipedia.org/wiki/Karst " rel = " nofollow noreferrer " > < / >岩溶系统与深深的洞穴。< / p > < p >相反,美国有很多< a href = " https://en.wikipedia.org/wiki/Paleozoic " rel = " nofollow noreferrer " >古生代< / >单位的碳质材料太紧凑,形成深洞穴。你可能已经浅中生代洞穴附近的表面但中生代单位更薄比一些欧洲折叠区。< / p >

//www.hoelymoley.com/questions/15697/-/16626 # 16626 1 haresfur //www.hoelymoley.com/users/1242 2019 - 04 - 02 - t00:17:11z 2019 - 04 - 02 - t00:17:11z

< p >深洞穴主要需要两件事:1)很厚或广泛的石灰岩床倾斜,以便有足够的基岩形成一个很深的洞穴,和2)深水表,这样可以形成溶解的石灰岩洞穴。< / p > < p >虽然浅层地下洞穴形成水位下,他们很少形式深入因为水变得饱和碳酸钙在地下水流动系统的早期。< / p > < p >是深水位提升隆起或刻痕的河流进入高原。有一些领域在美国与这些条件中提到其他的答案。< / p >

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