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  Athro, Limited contains Gubik Field Trip contains Section 20  
 Skull Cliff: Section 20 
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You are standing on the beach, looking in the direction of the green arrow. You are near the base of the cliff as shown by the blue arrow. You can move around by clicking on these images or by following the links in each page.

Sea cliff exposures at Skull Cliff
Sediments exposed at Skull Cliff at Section 20

Click on any part of the picture to look more closely at the exposures there, or press the button below to climb the cliffs and measure the thickness of each exposed rock unit.

From here you can:
Go Southwest down the beach to Section 65.
Enter the gully.

Gully entrance at jbg20, nualvik Pile of loose rocks at bottom of cliff Beach Cretaceous Seds Peat at top of section Tuap Karmuk Karmuk Cenozoic, Section 20 Chukchi Sea jbg sect 20 beach jbg section 65 beach chukchi sea up gully at jbg65 up gully at jbg 20 tuap and karmuk at jbg 65 karmuk at jbg 20 Cretaceous Nualvik tuap karmuk fines peat
Sources: The chief reference on the stratigraphy of the Gubik is (Brigham,1985). The best reference on the fossil molluscs from the Gubik is still (MacNeil, 1957). Recent papers on the age and climate history of these deposits include (Brigham-Grette and Carter, 1992; Kaufman and Brigham-Grette, 1993 Brigham-Grette and Hopkins, 1995).
Part of the Athro, Limited web site.
Copyright © 1998, 2000 Athro, Limited. All Rights Reserved.
Written by Paul J. Morris mole@morris.net
Maintained by Athro Limited
Date Created: 20 April 1998
Last Updated: 2000 Jan 16