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The Cretaceous/Tertiary boundary interval, Raton Basin, Colorado and New Mexico, and its content of shock-metamorphosed minerals

Glen Arthur Izett · Geological Society of America

100 sayfa · 1990

Geology / Cretaceous-Tertiary boundary / Mineralogy / Cretaceous-Paleogene boundary / Cretaceous/Tertiary boundary

Stratigraphic GeologyThe Cretaceous-Tertiary (K-T) boundary interval, Raton Basin, Colorado and New Mexico, and its content of shock-metamorphosed mineralsGlen Arthur Izett

The Cretaceous-Tertiary (K-T) boundary interval, Raton Basin, Colorado and New Mexico, and its content of shock-metamorphosed minerals

Glen Arthur Izett · [Books and Open-File Reports Section, distributor

Sayfa sayısı yok · 1987

Geology / Geology, Stratigraphic / Stratigraphic Geology

Potassium-argon datingAr-Ar dating of the Jaramillo Normal Subchron and the Matuyama and Brunhes geomagnetic boundaryGlen Arthur Izett

Ar-Ar dating of the Jaramillo Normal Subchron and the Matuyama and Brunhes geomagnetic boundary

Glen Arthur Izett · [Books and Open-File Reports Section

22 sayfa · 1992

Geomagnetism / Potassium-argon dating

Volcanic ash, tuffThe Bishop ash bed and some older compositionally similar ash beds in California, Nevada, and UtahGlen Arthur Izett

The Bishop ash bed and some older compositionally similar ash beds in California, Nevada, and Utah

Glen Arthur Izett · The Survey

Sayfa sayısı yok · 1982

Volcanic ash, tuff

GeologyGeology of the Hot Sulphur Springs quadrangle, Grand County, ColoradoGlen Arthur Izett

Geology of the Hot Sulphur Springs quadrangle, Grand County, Colorado

Glen Arthur Izett · U.S. Govt. Print. Off.

79 sayfa · 1968

Geology

Volcanic ash, tuffThe Bishop Ash Bed (Middle Pleistocene) and some older (Pliocene and Pleistocene) chemically and mineralogically similar ash beds in California, Nevada, and UtahGlen Arthur Izett

The Bishop Ash Bed (Middle Pleistocene) and some older (Pliocene and Pleistocene) chemically and mineralogically similar ash beds in California, Nevada, and Utah

Glen Arthur Izett · U.S. G.P.O.

37 sayfa · 1987

Geology / Geology, Stratigraphic / Stratigraphic Geology / Volcanic ash, tuff

Volcanic ash, tuffFission-track ages of air-fall tuffs in Miocene sedimentary rocks of the Española Basin, Santa Fe County, New MexicoGlen Arthur Izett

Fission-track ages of air-fall tuffs in Miocene sedimentary rocks of the Española Basin, Santa Fe County, New Mexico

Glen Arthur Izett · U.S. Geological Survey

Sayfa sayısı yok · 1981

Volcanic ash, tuff

Potassium-argon datingp40sAr-p39sAr dating of the Jaramillo Normal Subchron and the Matuyama and Brunhes geomagnetic boundaryGlen Arthur Izett

p40sAr-p39sAr dating of the Jaramillo Normal Subchron and the Matuyama and Brunhes geomagnetic boundary

Glen Arthur Izett · [Books and Open-File Reports Section

22 sayfa · 1992

Geomagnetism / Potassium-argon dating

Stratigraphic GeologyThe Pierre shale near Kremmling, ColoradoGlen Arthur Izett

The Pierre shale near Kremmling, Colorado

Glen Arthur Izett · U.S. Govt. Print. Off.

19 sayfa · 1971

Geology / Geology, Stratigraphic / Stratigraphic Geology

Stratigraphic GeologyTektites in Cretaceous-Tertiary boundary rocks on HaitiGlen Arthur Izett

Tektites in Cretaceous-Tertiary boundary rocks on Haiti

Glen Arthur Izett · U.S. Geological Survey

31 sayfa · 1990

Tektite / Stratigraphic Geology

Geology⁴⁰Ar/³⁹Ar age of the Manson, Iowa, impact structure and coeval impact ejecta in the Crow Creek member of the Pierre Shale, South Dakota and NebraskaGlen Arthur Izett

⁴⁰Ar/³⁹Ar age of the Manson, Iowa, impact structure and coeval impact ejecta in the Crow Creek member of the Pierre Shale, South Dakota and Nebraska

Glen Arthur Izett · U.S. Dept. of the Interior, Geological Survey

49 sayfa · 1997

Cryptoexplosion structures / Meteorite craters / Argon-argon dating / Geology

Volcanic ash, tuffStratigraphic succession, isotopic ages, partial chemical analyses, and sources of certain silicic volcanic ash beds (4.0 to 0.1 m.y.) of the western United StatesGlen Arthur Izett

Stratigraphic succession, isotopic ages, partial chemical analyses, and sources of certain silicic volcanic ash beds (4.0 to 0.1 m.y.) of the western United States

Glen Arthur Izett · Dept. of the Interior, U.S. Geological Survey

Sayfa sayısı yok · 1981

Volcanic ash, tuff

GeologyGeologic map of the Irish Flats NE quadrangle, Meade County, KansasGlen Arthur Izett

Geologic map of the Irish Flats NE quadrangle, Meade County, Kansas

Glen Arthur Izett · U.S. Geological Survey

Sayfa sayısı yok · 1995

Maps / Geology