BH250-89b
Title
BH250-89b
Subject
Baxter Hollow Granite
Description
Major Minerals: orthoclase, quartz, plagioclase
Minor Minerals: zircon, Fe-Ti oxides, apatite, chlorite, calcite, sericite
The Baxter Hollow Granite is a Proterozoic-aged intrusive rock located in the Baraboo Range of south-central Wisconsin. It is a medium- to coarse-grained biotite granite, emplaced after the deposition of the Baraboo Quartzite, which is dated to approximately 1.7 Ga.
Minor Minerals: zircon, Fe-Ti oxides, apatite, chlorite, calcite, sericite
The Baxter Hollow Granite is a Proterozoic-aged intrusive rock located in the Baraboo Range of south-central Wisconsin. It is a medium- to coarse-grained biotite granite, emplaced after the deposition of the Baraboo Quartzite, which is dated to approximately 1.7 Ga.
Coverage
Location: Baraboo, Wisconsin, USA
GPS Coordinates: 43.385406, -89.798408
GPS Coordinates: 43.385406, -89.798408
Creator
Bereket Haileab
Source
From the rock collection of Bereket Haileab. Sample 89b. Housed at Carleton College in Minnesota.
Type
Hand Sample
Relation
Collection
Citation
Bereket Haileab, “BH250-89b,” BH250 Mineralogy Teaching Collection, accessed April 25, 2026, https://bereket-haileab.geology.sites.carleton.edu/items/show/349.