例文
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- Deltas are dominantly composed of clastic sediment ( in contrast to chemical ).
- In the middle and Upper Miocene clastic sediments were deposited under sea water.
- Li et al . studied oils from the marine-derived clastic sediments.
- Basement rocks consist of Ordovician clastic sediments consisting of phyllite with some sandstone interbedding.
- The Ecca Group sandstones and shales originated as clastic sediment deposited in a large and shallow inland sea.