Geology of volcanic rocks in the south half of the Ishpeming greenstone belt, Michigan
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Geology of volcanic rocks in the south half of the Ishpeming greenstone belt, Michigan by Theodore J. Bornhorst

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Published by U.S. G.P.O., For sale by USGS Map Distribution in Washington, DC, Denver, CO .
Written in English

Subjects:

Places:

  • Kitchi Formation.,
  • Mona Formation.,
  • Michigan.

Subjects:

  • Volcanic ash, tuff, etc. -- Michigan.,
  • Geology, Stratigraphic -- Archaean.,
  • Geology -- Michigan.,
  • Kitchi Formation.,
  • Mona Formation.

Book details:

Edition Notes

Other titlesIshpeming greenstone belt, Michigan., Volcanic rocks, south half Ispheming greenstone belt, Michigan.
Statementby Theodore J. Bornhorst and Rodney C. Johnson.
SeriesContributions to Precambrian geology of Lake Superior region ;, ch. P, U.S. Geological Survey bulletin ;, 1904-P
ContributionsJohnson, R. C.
Classifications
LC ClassificationsQE75 .B9 no. 1904-P, QE461 .B9 no. 1904-P
The Physical Object
Paginationiii, 13 p. :
Number of Pages13
ID Numbers
Open LibraryOL1724193M
LC Control Number92027841

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Get this from a library! Geology of volcanic rocks in the south half of the Ishpeming greenstone belt, Michigan. [Theodore J Bornhorst; R C Johnson; Geological Survey (U.S.)] -- The south half of the Ishpeming greenstone belt is domi- nated by a thick succession of subaqueously erupted volcanic rocks. A regional structural interpretation of the belt provides a framework for. Get this from a library! Geology of volcanic rocks in the south half of the Ishpeming greenstone belt, Michigan. [Theodore J Bornhorst; R C Johnson; Geological Survey (U.S.),] -- The south half of the Ishpeming greenstone belt is domi- nated by a thick succession of subaqueously erupted volcanic rocks. A regional structural interpretation of the belt provides a framework for. Archean Geology of the Northern Block of the Ishpeming Greenstone Belt, Marquette County, Michigan By R.C. Johnson1 and T.J. Bornhorst1 Abstract The northern block of the Ishpeming greenstone belt occupies square kilometers in north-central Marquette County, Cited by: 6. B P / Bornhorst, T. J. and Johnson, R. C. / GEOLOGY OF VOLCANIC ROCKS IN THE SOUTH HALF OF THE ISHPEMING GREENSTONE BELT, MICHIGAN, , pb, 13 pages, 7 figs., $ 5 B Q / Gregg, W. J. / STRUCTURAL GEOLOGY OF PARAUTOCHTHONOUS AND ALLOCHTHONOUS TERRANES OF THE PENOKEAN OROGENY IN UPPER MICHIGAN – COMPARISON WITH .

Archean geology of the northern block of the Ishpeming greenstone belt, Marquette County, Michigan Archean geology of the northern block of the Ishpeming greenstone belt, Marquette County, Michigan: Series title: Bulletin: Series number: Chapter: F: DOI: /bF: Edition-. Ishpeming Rock & Mineral Club. likes. We are a group of people who enjoy looking for, collecting, sharing, and teaching about the rocks, minerals and ores of Michigan's Upper Peninsula.5/5(1). Geology of volcanic rocks in the south half of the Ishpeming greenstone belt, Michigan Field guide to the geology of the Keweenaw Peninsula, Michigan. Uranium in Middle Tertiary Volcanic. Geology of volcanic rocks in the south half of the Ishpeming greenstone belt, Michigan. Author: Theodore J. Bornhorst, Rodney C. Johnson, P. K. Sims (Edited By), and L.M.H. Carter Series: Bulletin PSeller Rating: % positive.

Geology of volcanic rocks in the south half of the Ishpeming greenstone belt, Michigan / by: Bornhorst, Theodore J.,, et al. Published: () Carmel formation of the Zion Park region, southwestern Utah: a review / by: Cashion, W. B. Published: (). Geologic unit mapped in Washington: Dark-gray to black, dense aphanitic basalt flows; commonly columnar jointed, less commonly irregularly and platy jointed; some flows vesicular, grading to scoriaceous; includes minor pillow lava, palagonite beds, and interbedded soil profiles and sedimentary beds; contains diatomite beds locally. Maximum thickness in south-central Washington may be in . geologic history of the Ishpeming Greenstone Belt was described by Morgan and DeCristoforo (). Sims () discussed the relationship of mineral deposits to Precambrian tectonics in the Lake Superior region, and Bodwell () reviewed the mineral potential of the western Upper Peninsula of Michigan. Quartzite a nonfoliated metamorphic rock composed almost entirely of quartz. Charoitite - a purple metamorphic rock dominated by the mineral charoite. It is used as a gem. Hand Lens A power folding magnifier in a metal case. A frequently used lab and field tool. Sliding Rocks on Racetrack Playa How they slide across a dry lake bed is a mystery.