Author Search Results

Geology and mineral resources of the Kuluncak-Sofular area (Malatya K39-a₁ and K39-a₂ quadrangles), Turkey

by Leo, Gerhard W.,
Published: United States Department of the Interior, Geological Survey, 1978

Description: 1 online resource (iv, 58 pages, 2 pages of plates) : illustrations, maps (some color).

eBook

Geochemical reconnaissance of late Proterozoic volcanic and mafic plutonic rocks of the Al ʻAwshaziyah quadrangle and related rocks in the Qufar quadrangle, Northern Arabian Shield...

by Leo, Gerhard W.,
Published: Department of the Interior, U.S. Geological Survey, 1986

Description: 1 online resource (iii, 16 pages) : illustrations, maps.

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eBook

Oliverian domes, related plutonic rocks, and mantling Ammonoosuc volcanics of the Bronson Hill anticlinorium, New England Appalachians

by Leo, Gerhard W.,
Published: U.S. Department of the Interior, U.S. Geological Survey, 1991

Description: 1 online resource (v, 92 pages) : illustrations, maps + 1 plate.

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eBook

Glastonbury Gneiss and mantling rocks (a modified Oliverian dome) in south-central Massachusetts and north-central Connecticut : geochemistry, petrogenesis, and isotopic age

by Leo, Gerhard W.
Published: U.S. Dept. of the Interior, Geological Survey ; For sale by the Distribution Branch, U.S. Geological Survey, 1984

Description: iv, 45 pages : illustrations, maps ; 29 cm.

Book

Geochemical reconnaissance of late Proterozoic volcanic and mafic plutonic rocks of the Al ʻAwshaziyah quadrangle and related rocks in the Qufar quadrangle, Northern Arabian Shield...

by Leo, Gerhard W.
Published: U.S. Geological Survey ; For sale by the Books and Open-file Reports Section, U.S. Geological Survey, 1986

Description: iii, 16 pages : illustrations ; 28 cm.

Book

Geology and mineral resources of the Kuluncak-Sofular area (Malatya K39-a₁ and K39-a₂ quadrangles), Turkey

by Leo, Gerhard W.
Published: U.S. Govt. Print. Off., 1978

Description: iv, 58 pages, 2 pages of plates : illustrations, maps (2 folded in pocket) ; 24 cm.

Book

Oliverian domes, related plutonic rocks, and mantling Ammonoosuc volcanics of the Bronson Hill Anticlinorium, New England Appalachians

by Leo, Gerhard W.
Published: U.S. Dept. of the Interior, U.S. Geological Survey ; For sale by the Books and Open-File Reports Section, 1991

Description: v, 92 pages : illustrations, maps ; 29 cm.

Book

Glastonbury Gneiss and mantling rocks (a modified Oliverian dome) in south-central Massachusetts and north-central Connecticut : geochemistry, petrogenesis, and isotopic age

by Leo, Gerhard W.,
Published: United States Department of the Interior, Geological Survey, 1984

Description: 1 online resource (iv, 45 pages) : illustrations, maps.

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eBook

Autunite from Mt. Spokane, Washington

by Leo, Gerhard W.
Published: U.S. Dept. of the Interior, Geological Survey, 1959

Description: 4 leaves ; 27 cm.

Book

Bedrock geologic map of the Ludlow quadrangle, Hampden and Hampshire Counties, south-central Massachusetts

by Leo, Gerhard W.
Published: U.S. Geological Survey, 1977

Description: color map ; 58 x 43 cm on sheet 84 x 100 cm folded in envelope 30 x 24 cm.

Map

Geologic map of the Mistletoe quadrangle, southeastern Kentucky / R. P. Volckmann and G. W. Leo

by Volckmann, Richard P.
Published: U.S. Geological Survey, 1978

Description: 1 map : color ; 58 x 46 cm. on sheet 75 x 84 cm folded in envelope 30 x 24 cm.

Map

Geologic interpretation of basement rocks of the Atlantic coastal plain

by Daniels, David L. 1937-
Published: U.S. Dept. of Interior, Geological Survey, 1985

Description: 1 volume : maps ; 28 cm.

Microfilm

Methods and preliminary results of heavy-mineral studies in Liberia

by Rosenblum, Sam.
Published: U.S. Dept. of the Interior, U.S. Geological Survey, 2000

Description: 29 leaves : illustrations, map ; 28 cm.

Microfilm

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