陆架相
即陆架沉积(shelf deposit)。海相沉积类型之一。大陆架指平均低潮线以下到水深约200米的水下地区，再往下便进入大陆架坡折。现代陆架沉积是由粉砂质粘土或粘土质粉砂构成的。近岸陆架通常还包括粗粉砂或细粒砂层，它是在大风暴期形成的，所以也称风暴砂层。古代陆架沉积中常含各种形态的砂岩体，分选好，交错层发育，可见海绿石、胶磷矿、长石等海相自生矿物。
19
Alias
Contributor
contributed at 2011-09-27
Classification(s)
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Earth System(in Chinese) Sedimentology and sedimentary petrology
Detailed Description
| English |
|---|
| Name | shelf facies |
| Chinese |
|---|
| Name | 陆架相 |
| Description | 即陆架沉积(shelf deposit)。海相沉积类型之一。大陆架指平均低潮线以下到水深约200米的水下地区，再往下便进入大陆架坡折。现代陆架沉积是由粉砂质粘土或粘土质粉砂构成的。近岸陆架通常还包括粗粉砂或细粒砂层，它是在大风暴期形成的，所以也称风暴砂层。古代陆架沉积中常含各种形态的砂岩体，分选好，交错层发育，可见海绿石、胶磷矿、长石等海相自生矿物。 |
How to Cite
NNU_Group (2011). 陆架相, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/ade04c62-4464-4b5e-a3d7-3a070cf06680
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