BH250-165

Title

BH250-165

Subject

Trachyandesite

Description

Major Minerals: biotite, hornblende, quartz, albite
Minor Minerals: calcite (secondary), plagioclase

Coverage

Location: Northern Minnesota, Minnesota, USA
GPS Coordinates: 47°47'37.11"N, 92°22'10.94"W

Creator

Bereket Haileab

Source

From the rock collection of Bereket Haileab. Sample 165. Housed at Carleton College in Minnesota.

Contributor

Bereket Haileab

Type

Thin section and hand sample

Relation


View on ArcGIS Online here




















TAS diagram of sample BH250-165.

Collection

Igneous Rocks

Citation

Bereket Haileab, “BH250-165,” BH250 Mineralogy Teaching Collection, accessed April 26, 2026, https://bereket-haileab.geology.sites.carleton.edu/items/show/204.

Output Formats

Geolocation