00:10
00:09
00:08
00:07
00:06
00:05
00:04
00:03
00:02
00:01
| rich soil containing a relatively equal mixture of sand, silt and a smaller proportion of clay |
| tectonic boundary where two plates are moving toward each other |
| geosyncline (jē'ō-sĭn'klīn') Pronunciation Key
A usually elongate, basinlike depression along the edge of a continent, in which a thick sequence of sediments and volcanic deposits has accumulated. |