Results 121 to 130 of about 30,445 (262)
Diaplectic transformation of minerals: Vorotilov drill core, Puchezh-Katunki impact crater, Russia [PDF]
The Vorotilov core was drilled in the central uplift of the Puchezh-Katunki astrobleme to a depth of 5.1 km. Impactites are revealed in the rocks of the core beginning from a depth of 366 m: suevites (66 m), allogenic breccias (112 m), and autogenic ...
Feldman, V. I.
core +1 more source
Asbestos Trust Transparency [PDF]
, 2018 Originally and for many years, the primary defendants in asbestos cases were companies that mined asbestos or manufactured amphibole-containing thermal insulation.
Behrens, Mark A.
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Geologica Acta, 2010 Tens of Surtseyan tuff cones are exposed in the Río Coichel valley, between Ñireguao and Estancia Baño Nuevo (Southern Chilean Andes). The Early Cretaceous products of the submarine eruptions rest on, or are interbedded with, shallow marine sandstones of
A. DEMANT +3 more
doaj
Geomechanical models of impact cratering: Puchezh-Katunki structure [PDF]
Impact cratering is a complex natural phenomenon that involves various physical and mechanical processes. Simulating these processes may be improved using the data obtained during the deep drilling at the central mound of the Puchezh-Katunki impact ...
Ivanov, B. A.
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The Mountain Pass Rare-Earth Deposits [PDF]
, 1954 Rare-earth minerals were discovered near Mountain Pass in northeastern San Bernardino County, Calif., in April 1949, and in the following year the Sulphide Queen carbonate body was found.
Olson, J. C., Pray, L. C.
core
A Unique Amphibole- and Magnetite-Rich Carbonaceous Chondrite from Almahata Sitta [PDF]
Almahata Sitta (AhS) 202 from the UoK collection represents a clast from the polymict breccia asteroid 2008 TC3. AhS 202 was recognized as a unique carbonaceous chondrite (CC) with a high magnetite content.
Connolly, H. C., Jr. +11 more
core +1 more source
Tabulation of Asbestos Related-Terminology [PDF]
The definition of asbestos often varies depending on the source or publication in which it is used. This report summarizes asbestos-related definitions taken from a variety of academic, industrial, and regulatory sources.
Greg Meeker, Heather Lowers
core
Geologica Acta, 2014 Miocene arc volcanism is manifested widely in the Valle del Cura-El Indio belt region (29°30´–30° South latitude), in the southern Central Andes of Argentina and Chile.
V.D. LITVAK, S. POMA
doaj
The Cretaceous-Tertiary (K/T) impact: One or more source craters? [PDF]
The Cretaceous-Tertiary (K/T) boundary is marked by signs of a worldwide catastrophe, marking the demise of more than 50 percent of all living species. Ever since Alvarez et al.
Koeberl, Christian
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Phase equilibria modelling of trace element evolution in arc magmas: implications for petrogenesis and copper porphyry indicators. [PDF]
Contrib Mineral PetrolSoderman CR, Weller OM.
europepmc +1 more source