冲积物
一般指河流沉积物。又称淤积物、河流沉积。组成冲积物的粒径大小，在纵剖面上，有距源地越远粒径越细的趋势；在横向上，常有距主流线越远粒径越小的分布规律。具分选性好，磨圆度高，层理清楚的特点，并含有多种砂矿。可分为河床相、边滩相、河漫滩相等不同类型。
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contributed at 2011-12-23
Classification(s)
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Earth System(in Chinese) Geomorphology
Detailed Description
| English |
|---|
| Name | alluvial deposit |
| Chinese |
|---|
| Name | 冲积物 |
| Description | 一般指河流沉积物。又称淤积物、河流沉积。组成冲积物的粒径大小，在纵剖面上，有距源地越远粒径越细的趋势；在横向上，常有距主流线越远粒径越小的分布规律。具分选性好，磨圆度高，层理清楚的特点，并含有多种砂矿。可分为河床相、边滩相、河漫滩相等不同类型。 |
How to Cite
NNU_Group (2011). 冲积物, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/4f8ad0de-dc5a-4551-b296-0ac618ef56d9
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