A widespread distinctive rock unit that can be correlated readily over a large area.

一个分布很广的特殊岩石组，它可以在一个大范围内相关联。

youdao

South Longwangmiao gold deposit in Liaoning Province occurred in the meta-felsic rock unit in Liaobei Archean greenstone belt.

辽宁省清原县的南龙王庙金矿，赋存于太古宙绿岩带的变粒岩岩段中。

youdao

It is pointed out that there exist the facies changes, rock unit diachroneity and discontinuity of interior formations in Ordovician.

分别对各构造单元内部及全盆地奥陶系各地层单元进行对比；指出盆地内存在相带变化、奥陶系内部地层间断等问题。

youdao

This name is taken from a particular rock unit in the Northwest Territories, but it has an even older lineage - one that goes back to a small Highland settlement in Scotland.

BBC: Cosmic coincidence on the road to Glenelg

Just before conjunction, it drilled into a mudstone in a rock unit referred to as Sheepbed and found further compelling evidence for a watery past in Gale - sediments that possibly once formed a lakebed.

BBC: Curiosity Mars rover to investigate classic rock type

Having originally grown out of the Austin indie-rock band Okkervil River, Shearwater completes its final transformation into a distinct unit with Rook.

NPR: Shearwater: Gone to the Birds, Happily