大连地区某些石英岩底面的类似沟模,槽模现象
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Phenomena Similar to Groove Cast and Flute Cast at Bottom surface of Some Quartzites in Dalian Area
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    摘要:

    笔者在从事地质教学和地质录像过程中,于1988年在浅水沉积的砂岩底面发现了类似沟模、槽模现象,与国内沉积岩石学教科书引用的国外沟模、槽模实便有两点不同之处:①所见沟模是水流冲刷模而不是工具压刻模;②所见沟模、槽模下伏沉积物质是砂质的而不是泥质的。该现象的发现是对沟模、槽模现象的补充和完善,对探讨沟模槽模、的成因及填补国内沉积岩石学教科书缺少的国内沟模、槽模实例的空白很有意义。

    Abstract:

    In the geological teaching and geological photographic processes,the authors foundin 1988 phenomena similar to groove cast and flute cast at the bottom surface of sandstone deposited in shallow water, which are different from examples of groove cast andflute cast abroad cited in textbooks of China on sedimentary petrology in two aspects:(1) the groove cast observed is current scour cast rather than tool impression-scoringcast,(2) sediments underlying the observed groove cast and flute cast are arenaceousinstead of argillaceous. The discovery of such phenomena is a supplement and improve-ment to the phenomena of groove cast and flute cast,and is hence of great significancein finding out the origin of groove cast and flute cast as well as filling in the gaps ingroove cast and flute cast examples of China in textbooks of sedimentary petrology.

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彭丽君, 1995. 大连地区某些石英岩底面的类似沟模,槽模现象[J]. 岩石矿物学杂志, 14(3):226~229.
Peng Lijun, 1995. Phenomena Similar to Groove Cast and Flute Cast at Bottom surface of Some Quartzites in Dalian Area[J]. Acta Petrologica et Mineralogica, 14(3): 226~229.

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