Michigan Rock And Mineral Identification

Keep in mind out of the many hundreds of samples brought to us the vast majority are common rocks or industrial slag.

Michigan rock and mineral identification.

The red or pink mineral in granite is potassium feldspar. 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. Pyroxine is a class of rock forming silicate minerals generally containing the chemical elements calcium magnesium iron and occasionally the mineral olivine. They re from the stems of an animal that looks.

If you re studying rocks these terms will come up often. Resources for rock identification. Learn from the fascinating information about everything from petoskey stone and. Get the perfect guide to rocks and minerals of the great lake state.

The copper ore rich rocks lived in rock layers deep in lake superior. The sheer number and variety of rock and mineral samples required for the production of the units is immense. Crinoid fossils look like small discs with holes in their centers like cheerios. Michigan was the nation s largest producer of copper from 1847 to 1877 according to michigan state university.

In lesser quantities basalt may also contain the mineral quartz hornblende. Only one sample has ever been confirmed as a meteorite at the university in the past several decades. This booklet can be purchased for 50 cents sales tax from the publication division department of natural resources lansing michigan 48926. Your must have guide to michigan s rocks and minerals.

The following links may be useful for identifying minerals rocks and meteorites at home. This book by dan r. Fluorescent minerals and rocks glow with spectacular colors under ultraviolet light. 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.

Basalt is composed of plagioclase and pyroxine minerals. 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. Pyroxine and plagioclase minerals. Flint chert jasper flint chert and jasper are types of chalcedony and names for microcrystalline quartz.

Minerals of michigan is in publication 42 rocks and minerals of michigan geological survey division 1951.