BH250-130
Title
BH250-130
Subject
Welded Tuff
Description
Major Minerals: sanidine, quartz, glass
Minor Minerals: biotite, iron oxides
Mineralogy Comments: nice zoning in the sanidine
BH250-130 rock samples are a collection of welded tuffs, with varying degree of welding. Some of the well welded tuff have phenocrysts of sanidine.
Minor Minerals: biotite, iron oxides
Mineralogy Comments: nice zoning in the sanidine
BH250-130 rock samples are a collection of welded tuffs, with varying degree of welding. Some of the well welded tuff have phenocrysts of sanidine.
Creator
Bereket Haileab
Source
From the rock collection of Bereket Haileab. Sample BH250-130. Housed at Carleton College in Minnesota.
Type
Thin section and hand sample
Relation
Collection
Citation
Bereket Haileab, “BH250-130,” BH250 Mineralogy Teaching Collection, accessed April 26, 2026, https://bereket-haileab.geology.sites.carleton.edu/items/show/154.