BH250-51b
Title
BH250-51b
Subject
Eclogite
Description
Major Minerals: glaucophane, garnet, orthopyroxene, omphacite (clinopyroxene)
Minor Minerals: muscovite, sphene (titanite), chlorite, quartz, apatite, magnetite
Optical Features: euhedral garnets; omphacite exhibits wavy, undulose extinction; chlorite grains display a five-optic-axis figure
Texture: strong foliation; syn-kinematic garnet growth; aligned mineral inclusions within garnets; foliation continuous through garnet grains
Coverage
Location: along highway 20, 3 miles west of Upper Lake, California, USA
Nearby Geographic Feature: near Scott's Creek
GPS Coordinates: 39°9'22.25"N, 122°59'31.12"W
Nearby Geographic Feature: near Scott's Creek
GPS Coordinates: 39°9'22.25"N, 122°59'31.12"W
Creator
Bereket Haileab
Source
From the rock collection of Bereket Haileab. Sample BH25-51b. Housed at Carleton College in Minnesota.
Type
Thin section and hand sample
Relation
Collection
Citation
Bereket Haileab, “BH250-51b,” BH250 Mineralogy Teaching Collection, accessed April 25, 2026, https://bereket-haileab.geology.sites.carleton.edu/items/show/60.