00:10
00:09
00:08
00:07
00:06
00:05
00:04
00:03
00:02
00:01
| thin, distinctive stratum useful for stratigraphic correlation |
| portion of the earth's surface consisting of disintegrated rock and humus |
| upheaval (ʌpˈhiːvəl) | |
| —n | |
| 1. | a strong, sudden, or violent disturbance, as in politics, social conditions, etc |
| 2. | geology another word for uplift |