Geochronologic sample location with analysis. Results summary: KA-wr:12.0+/-0.9; Location: Sample from elevation 5570' on Black Mesa, 1.5 miles west of Hwy 60. Collected by: H.W. Peirce/ABGMT & M. Shafiqullah/UofA Arizona, Carrizo Embayment (quad sheet BECKERS BUTTE); Citation: Damon et al., 1996; AZGS OFR 96-18; Sample description: Basalt flow, overlies rim-type gravel, about 400' thick in channels. Gravels overlie Naco beds which dip 4 degrees NE
Summary
Geochronologic sample location with analysis. Results summary: KA-wr:12.0+/-0.9; Location: Sample from elevation 5570' on Black Mesa, 1.5 miles west of Hwy 60. Collected by: H.W. Peirce/ABGMT & M. Shafiqullah/UofA Arizona, Carrizo Embayment (quad sheet BECKERS BUTTE); Citation: Damon et al., 1996; AZGS OFR 96-18; Sample description: Basalt flow, overlies rim-type gravel, about 400' thick in channels. Gravels overlie Naco beds which dip 4 degrees NE
