Geochronologic sample location with analysis. Results summary: KA-wr:6.75+/-0.15; Location: Sample from lava flow that caps Flat Mesa, about 1 m above base of flow, elevation 6400' Arizona, Hopi Buttes (quad sheet NA AH TEE CANYON); Citation: Damon and Shafiqullah, unpublished files at AzGS; Sample description: Monchiquite basalt, very dense and fine-grained. Basal 30-50 cm of flow is brecciated
Summary
Geochronologic sample location with analysis. Results summary: KA-wr:6.75+/-0.15; Location: Sample from lava flow that caps Flat Mesa, about 1 m above base of flow, elevation 6400' Arizona, Hopi Buttes (quad sheet NA AH TEE CANYON); Citation: Damon and Shafiqullah, unpublished files at AzGS; Sample description: Monchiquite basalt, very dense and fine-grained. Basal 30-50 cm of flow is brecciated
