BH250-156
Title
BH250-156
Subject
Kona Dolomite
Description
Major Minerals: dolomite, muscovite, quartz
Minor Mineral: oxides
Optics: good calcite/dolomite grains for optic axis figure
Minor Mineral: oxides
Optics: good calcite/dolomite grains for optic axis figure
Coverage
Location: Marquette Co Quarry, Michigan, USA
Nearby Geographic Feature: Upper Peninsula
GPS Coordinates: 46°29'10.34"N, 87°27'22.20"W
Nearby Geographic Feature: Upper Peninsula
GPS Coordinates: 46°29'10.34"N, 87°27'22.20"W
Creator
Bereket Haileab
Source
From the rock collection of Bereket Haileab. Sample 156. Housed at Carleton College in Minnesota.
Type
Thin section and hand sample
Relation
Collection
Citation
Bereket Haileab, “BH250-156,” BH250 Mineralogy Teaching Collection, accessed April 25, 2026, https://bereket-haileab.geology.sites.carleton.edu/items/show/194.