| average twelve states (North Dakota, South Dakota, Nebraska, Kansas, Minnesota, Iowa, Missouri, Wisconsin...locality occurrences in only four Midwestern states: North Dakota, Nebraska, Oklahoma, and Kentucky; these...luck while collecting, or limited access to a wide range of mineral dealers might have been more at play...or IMA approval Species Type locality Initial North American references (not necessarily the very first... Marion County, Tennessee Shepard 1835 1835 Nitromagnesite Nicajack Cave, Marion County, Tennessee |
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Grout, Frank F., Wolff, J. F. Sr. (1955) The Geology of the Cuyuna District, Minnesota. Bulletin 36. Minnesota Geological Survey |
Report (issue) |
| GEOLOGY OF THE CUYUNA DISTRICT, MINNESOTA: A PROGRESS REPORT UNIVERSITY OF MINNESOTA MINNESOTA GEOLOGICAL...DIRECTOR BULLETIN 36 The Geology of the Cuyuna District, Minnesota A PROGRESS REPORT BY FRANK F. GROUT...WOLFF, SR. MINNEAPOLIS· 1955 THE UNIVERSITY OF MINNESOTA PRESS PRINTED AT LUND PRESS, INC., MINNEAPOLIS...mines of the Cuyuna district in considerable detail. About 1940 a brief synopsis of Cuyuna geology was...the University of Minnesota. In 1941 Mr. Grout started active field work on the Cuyuna largely in connection |
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Pracejus, Bernhard - Ed. (2014) The Ore Minerals Under the Microscope (2nd ed.) Elsevier. doi:10.1016/c2012-0-01360-9 |
Book (edition) |
| OX5 1 GB, UK 225 Wyman Street, Waltham, MA 02451, USA Copyright © 2015, 2008 Elsevier B.V. All rights reserved...Series A compositional series is defined as a range of mineral compositions in which, for instance,...minimum/maximum values are provided, they show the range found for different optical axes in cases of optical...mineral section. All minerals of a particular colour range are sorted according to their average reflectance... La, Y) Tapiolite-(Mn) Sphalerite Wurtzite Groutite Wolframite Thorianite Purpurite Reflection |
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