滇池组

属更新世早期。命名剖面位于云南昆明滇池东北岸海埂村滇科1孔。下部为灰绿色泥岩夹粉砂、细砂,含炭质泥岩和褐煤,与下伏上新统洪家村组呈整合接触;中部为褐灰色泥岩夹螺壳和介形虫聚集层,含鱼骨碎屑和炭化植物碎屑;上部为褐灰色粉砂、细砂层,砂岩具波状层理、小交错层理和水平层理,厚222.64米。含介形虫化石:Candona perisena, Ilyocypris radiata, Limnocythere dorsosicula, Fuxianhucythere inflata, Neocypridopsis simplex, Physocypria compressa 等;腹足类化石Paraprososthenia costata, Kwangsispira cf. accelerata, Idiopoma tingi等。孢粉AbiespollenitesPiceapollenitesPinuspollenites带和PinuspollenitesQuercoidites 带交替出现。孢粉反映冷暖波动的气候。属湖相沉积。古地磁测定属整个松山反向极性时,相当于248万~73万年。

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Contributor(s)

Initial contribute: 2011-10-13

Classification(s)

Geographic semantic resource libraryEarth System(in Chinese)Quaternary Geology

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English
Name Dianchi Fm
Chinese
Name 滇池组
Description 属更新世早期。命名剖面位于云南昆明滇池东北岸海埂村滇科1孔。下部为灰绿色泥岩夹粉砂、细砂,含炭质泥岩和褐煤,与下伏上新统洪家村组呈整合接触;中部为褐灰色泥岩夹螺壳和介形虫聚集层,含鱼骨碎屑和炭化植物碎屑;上部为褐灰色粉砂、细砂层,砂岩具波状层理、小交错层理和水平层理,厚222.64米。含介形虫化石:Candona perisena, Ilyocypris radiata, Limnocythere dorsosicula, Fuxianhucythere inflata, Neocypridopsis simplex, Physocypria compressa 等;腹足类化石Paraprososthenia costata, Kwangsispira cf. accelerata, Idiopoma tingi等。孢粉AbiespollenitesPiceapollenitesPinuspollenites带和PinuspollenitesQuercoidites 带交替出现。孢粉反映冷暖波动的气候。属湖相沉积。古地磁测定属整个松山反向极性时,相当于248万~73万年。

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NNU_Group (2011). 滇池组, Concept & Semantic, OpenGMS, https://geomodeling.njnu.edu.cn/repository/concept/08890940-86f1-44f7-baf1-e848e51b1663
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Contributor(s)

Initial contribute : 2011-10-13

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