	Heyl, Allen V., Agnew, Allen F., Lyons, Erwin J., Behre, Charles H., Flint, Arthur E. (1959) The Geology of the Upper Mississippi Valley Zinc-Lead District. Professional Paper 309. US Geological Survey doi:10.3133/pp309	Report (issue)
	The Geology of the Upper Mississippi Valley Zinc-Lead District By ALLEN V. HEYL, Jr., ALLEN F. AGNEW...cooperation with the Wisconsin Geological and Natural Histoyy Survey, the Iowa Geological Survey, and...Cultural development and facilities related to mining Field work and acknowledgments Scope of the report...geologic work in the district Geology Stratigraphy Precambrian rocks Cambrian system Upper Cambrian series...system Lower Ordovician series Prairie du Chien group Middle Ordovician series St. Peter sandstone Platteville
	*Emmons, S.F., Irving, J.D., Loughlin, G.F. (1927) Geology and ore deposits of the Leadville mining district, Colorado. Professional Paper* 148. US Geological Survey doi:10.3133/pp148**	Report (issue)
	GEOLOGY AND ORE DEPOSITS OF TILE LEADVILLE MINING DISTRICT, COLORADO BY S. F. EMMONS, J. D. IRVING,..._ 5 Topography _ 5 Datum for altitude_ 7 Chapter 2. Quaternary geology _ 9 Pleistocene deposits_ 9 Glacial...Interglacial stage _ 9 Glaciers of the last stage _ 10 Iowa Gulch glacier_ 10 Evans Gulch glacier _ 10 Effects...Arkansas glacier _ 14 North_ lateral_ moraine_ of Iowa Gulch glacier _ 15 Glacio-fluviatile deposits_ 15...52 Forms of intrusive bodies_ 87 Pendery fault group _ 52 Sills or sheets _ Pendery fault _ 87 54 Dikes
	(1922) Contributions to economic geology, 1921, Part I, Metals and nonmetals except fuels--Ore deposits of the Sierrita Mountains, Pima County, Arizona. Bulletin Vol. 725 (725j) US Geological Survey doi:10.3133/b725j	Report (issue)
	ORE DEPOSITS OF THE SIERRITA MOUNTAINS, PIMA COUNTY, ARIZONA. By F. L. RANSOME. INTRODUCTION. The Sierrita...Arizona. They separate the Santa Cruz Valley on the east from Altar Valley on the west. The range has a length...determined. Apparently no part of the range rises more than 2,000 or 3,000 feet above the upper margin of the...feet above sea level. Its slopes carry little or no timber, and in comparison with the Santa Rita Mountains...foothills, is a group of prospects within what is locally known as the Papago district, although they
	*(1916) The Mineral Industry* Vol. 25. McGraw-Hill Book Company**	Journal (volume)
	ELECTROCHEMICAL SOCIETY MEMBER, AMERICAN INSTITUTE OF MINING ENGINEERS VOLUME XXV Supplementing Volumes I...Editor, Engineering and Mining Journal, New York, N. Y. H. Instructor in Mining, South Bethlehem, Pa....(with Y. E. Bogard) Vice President, Wah Chang Mining and Smelt¬ ing Co. Ltd., 233 Broadway, New York...Consulting Mining Engineer, 1411 Merchants Natl. Bank Bldg., San Francisco, Cal. Professor of Mining, Massachusetts...Assistant State Geologist, Albany, N. Y. Editor, The Mining Journal, 15 George St., The Mansion House, London
	*(1907) Economic geology of the Amity quadrangle, eastern Washington County, Pennsylvania. Bulletin* Vol. 300. US Geological Survey doi:10.3133/b300**	Report (volume)
	GEOLOGY OF THE AMITY QUADRANGLE EASTERN WASHINGTON COUNTY PENNSYLVANIA BY FREDERICK G. CLAP? WASHINGTON...(Dunkard group or Permian series)..................................................... The group as a whole..... Division of the group.................................. Rocks above the Upper Washington limestone.................... Rocks between the top of the Upper Washington limestone and thetopof the Waynesburg................. Rocks between the Pittsburg and Upper Freeport coals (Conemaugh formation)...........
	*Lesure, Frank Gardner (1968) Mica deposits of the Blue Ridge in North Carolina. Professional Paper* 577. US Geological Survey doi:10.3133/pp577**	Report (issue)
	Pecora, Director Library of Congress catalog-card No. OS 67-295 For sale by the Superintendent of Documents...Granite and nonlayered granitic gneiss._______ Upper Precambrian rocks______________________ Bakersville...sedimentary rocks____________________ Chilhowee Group.__________________________ Rocks of the Murphy marble..._______ Muscovite granodiorite of Spruce Pine district-_____ ________________________ Pegmatite. ___...Jefferson-Boone district. _______ Wilkes district __ _ _______----Spruce Pine district- ___________ Buncombe
	*(1941) Transactions of the American Institute of Mining and Metallurgical Engineers* Vol. 142. The American Institute of Mining and Metallurgical Engineers**	Journal (volume)
	1940; LOS AKGELF.S 1 OCT. !7-18, 1940.; TTISA1 OCT. 2-1,- 26, 19-1,0; ALSO THE PETROLECT.,\ l STi\TlSTfCAf...DucE . . . . . . . . . . . . . . . . . . . . . . 2 55 2 57 DOl\ffiSTIC ' .... Arkansas, South. By \iVARREN... . . . . . . . Colorado. See Rocky 1\1ountain District. Illinois. 13y ALFRED H. BELL and GEORGE V. COHEE...FRANK C. GREENE .l\1ontana. See Rocky .l\1ountain District. Nebraska. By F.. C. REED . . . . New 1\1exico...c . Oklahoma. Ry TROMAS Bn.owNFLELD Pennsylvania: No r thern and Central. By r\RTH LJR C. SnfMOKS. Southwestern

Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: May 2, 2024 20:26:31

Go to top of page

Calcite from Clark No. 2 Mine, Clark Mine Group, Highland area, Upper Mississippi Valley Mining District, Iowa County, Wisconsin, USA

Calcite from
Clark No. 2 Mine, Clark Mine Group, Highland area, Upper Mississippi Valley Mining District, Iowa County, Wisconsin, USA