BH250-166
Title
BH250-166
Subject
Felsic Tuff
Description
Major Minerals: quartz, muscovite
Minor Mineral: chlorite
Minor Mineral: chlorite
Coverage
Location: Northern Minnesota, Minnesota, USA
Nearby Geographic Feature: next to andesitic lava flows
GPS Coordinates: 47°47'22.56"N, 92°21'59.60"W
Nearby Geographic Feature: next to andesitic lava flows
GPS Coordinates: 47°47'22.56"N, 92°21'59.60"W
Creator
Bereket Haileab
Source
From the rock collection of Bereket Haileab. Sample 166. Housed at Carleton College in Minnesota.
Type
Thin section and hand sample
Relation
Collection
Citation
Bereket Haileab, “BH250-166,” BH250 Mineralogy Teaching Collection, accessed April 25, 2026, https://bereket-haileab.geology.sites.carleton.edu/items/show/206.