Michigan was the nation s largest producer of copper from 1847 to 1877 according to michigan state university.
Michigan rock and mineral identification.
If you re studying rocks these terms will come up often.
Resources for rock identification.
Only one sample has ever been confirmed as a meteorite at the university in the past several decades.
Granite is an igneous rock that formed deep underground and is abundant in northern wisconsin the upper peninsula of michigan and ontario.
Sedimentary rocks such as limestone or shale are hardened sediment with sandy or clay like layers strata they are usually brown to gray in color and may have fossils and water or wind marks.
The sheer number and variety of rock and mineral samples required for the production of the units is immense.
Basalt is composed of plagioclase and pyroxine minerals.
Crinoid fossils look like small discs with holes in their centers like cheerios.
This book by dan r.
Keep in mind out of the many hundreds of samples brought to us the vast majority are common rocks or industrial slag.
Learn from the fascinating information about everything from petoskey stone and.
More than 60 samples representing 25 different types of metallic and industrial minerals aggregates and the three main rock groups igneous sedimentary and metamorphic are required for each kit.
Your must have guide to michigan s rocks and minerals.
Minerals of michigan is in publication 42 rocks and minerals of michigan geological survey division 1951.
Pyroxine is a class of rock forming silicate minerals generally containing the chemical elements calcium magnesium iron and occasionally the mineral olivine.
In lesser quantities basalt may also contain the mineral quartz hornblende.
This booklet can be purchased for 50 cents sales tax from the publication division department of natural resources lansing michigan 48926.
Fluorescent minerals and rocks glow with spectacular colors under ultraviolet light.
Flint chert jasper flint chert and jasper are types of chalcedony and names for microcrystalline quartz.
Igneous rocks such as granite or lava are tough frozen melts with little texture or layering rocks like these contain mostly black white and or gray minerals.
The copper ore rich rocks lived in rock layers deep in lake superior.
Lynch and bob lynch features comprehensive entries for 96 michigan rocks and minerals from common rocks to rare finds.
Pyroxine and plagioclase minerals.
Minerals a mineral is a rock substance occurring in nature that has a definite chemical.
The following links may be useful for identifying minerals rocks and meteorites at home.
