Home > Term: Cambrian
Cambrian
The oldest of the systems into which the Paleozoic stratified rocks are divided; also, the corresponding oldest period of the Paleozoic era.
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
0
ผู้สร้าง
- ed.young
-
(V.I.P) 21084 points - 100% positive feedback
(Milwaukee, United States)
