 | | Journal (article/letter/editorial) | | SHORE OF LAKE SUPERIOR By FRED 6 . K N O W L T O N Bayfield, Colorado A Guidebook to Minnesota T r u n...shore of Lake Superior is recommended. This is a very beautiful drive as the highway follows the lake very...and mileage is figured from Lake Ave., on U. S. Highway No. 61. 0.00 Lake Avenue on U. S. Highway 61 in...The agates are being washed out of clay banks of lake where they were deposited by glacial drift. 28.7...here a beautiful specimen of apophyllite with calcite and some other crystals (clear as the best of quartz |  | | Journal (article/letter/editorial) | | metamorphism in the North Shore Volcanic Group, Minnesota, USA S . Th. SC H M I D T Mineralogisch-Petrographisches...ABSTRACT The North Shore Volcanic Group in northern Minnesota is part of the Middle Proterozoic Keweenawan sequence...= agate; ab = albite; act = actinolite; cal = calcite; cc = chalcocite; chl = chloritic phyllosilicate;...native copper deposits in the Keweenawan rocks in the Lake Superior region and the relationship of their genesis...the first time a mineral zonation in the Portage Lake lava series on Keweenaw 401 402 S. T h . SCHMIDT |  | | Book (volume) | | 000 specific locations in Idaho, lowa, Kansas, Minnesota, Missouri, Montana, Nebraska, North Dakota, ...NORTHWESTERN QUANDRANT Idaho, Iowa, Kansas, Minnesota, Missouri, Montana, Nebraska, North Dakota, Oregon...The Northwestern Quadrant Idaho, Iowa, Kansas, Minnesota, Missouri, Montana, Nebraska, North Dakota, Oregon...Philadelphia, San Francisco, Washington London, Mexico City, Sao Paulo, Singapore, Sydney To one of the most...Mineral Location Numbers Idaho lowa Kansas Minnesota Missouri Montana Nebraska North Dakota Oregon |  | | Report (issue) | | GEOL surtv:y lIBHARY' UNIVERSITY OF MINNESOTA MINNESOTA GEOLOGICAL SURVEY WILLIAM I-I. EMMONS. DIRECTOR...THE GEOLOGY OF THE ANORTHOSITES OF THE MINNESOTA COAST OF LAKE SUPERIOR BY FRANK F. GROUT AND GEORGE...THE UNIVERSITY OF MINNESOTA PRESS COPYRIGHT 1939 BY THE UNIVERSITY OF MINNESOTA All rights reserved...AMERICA FOREWORD Anorthosites on the north shore of Lake Superior have long been known, and have been the...also due the :Minnesota Highway Department for maps of Highway No. 61: and to the county engineer's office |  | | Book | | Hypabyssal Rocks of the Midcontinent Rift System in Minnesota, and Implications for a Keweenawan Magmatic “Family...As he would freely tell anyone, he left New York City in 1958, one step ahead of the law, and began an...cabin on a lake outside Knoxville. He also might occasionally sneak his boat out onto the lake to fish for...intergranular grains with secondary monticellite and calcite (Boyd et al., 1997). Amounts of Fe in the XRF bulk...Suite; HI = Hettasch Intrusion; ML = Makhavinekh Lake Pluton; NAC = Nain Anorthosite Complex; old name |
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Highway 61 roadcuts, Illgen City, Lake County, Minnesota, USA