Geochronologic sample location with analysis. Results summary: KA-wr:6.71+/-0.17; Location: Sample from lava flow that caps Gray Mesa. Sample taken from dense zone 15-30 cm above base of flow, elevation 6285' Arizona, Hopi Buttes (quad sheet INDIAN WELLS); Citation: Damon and Shafiqullah, unpublished files at AzGS; Sample description: Basalt, dark gray, dense monchiquite, slightly vuggy. Basal part of flow is brecciated and overlies bedded tuffs
Summary
Geochronologic sample location with analysis. Results summary: KA-wr:6.71+/-0.17; Location: Sample from lava flow that caps Gray Mesa. Sample taken from dense zone 15-30 cm above base of flow, elevation 6285' Arizona, Hopi Buttes (quad sheet INDIAN WELLS); Citation: Damon and Shafiqullah, unpublished files at AzGS; Sample description: Basalt, dark gray, dense monchiquite, slightly vuggy. Basal part of flow is brecciated and overlies bedded tuffs
