Churkin, Michael, Jr. et al. (1977): A new Ordovician time scale based on accumulation rates of graptolite shale

Leg/Site/Hole:
Identifier:
1987-008118
georefid

Creator:
Churkin, Michael, Jr.
U. S. Geol. Surv., United States
author

Carter, Claire
author

Johnson, Bruce R.
author

Identification:
A new Ordovician time scale based on accumulation rates of graptolite shale
1977
U. S. Geological Survey Circular
U. S. Geological Survey, Reston, VA, United States
C 0751-B
B4-B5
English
Coverage:Geographic coordinates:
North:72.0000
West:173.0000East: -130.0000
South:51.0000

Stratigraphy; Alaska; biostratigraphy; Deep Sea Drilling Project; Esquibel Island; Graptolithina; interpretation; Invertebrata; Ordovician; Paleozoic; sedimentation; sedimentation rates; stratigraphy; United States; USGS;

.