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Journal Article
Published: 01 September 1973
Journal of Sedimentary Research (1973) 43 (3): 614-617.
Journal Article
Published: 01 May 2004
European Journal of Mineralogy (2004) 16 (3): 469-482.
...Péter ÁRKAI; Kenneth J. T. LIVI; Martin FREY; Alice BRUKNER-WEIN; Csanád SAJGÓ Abstract Integrated microstructural observations, X-ray powder diffractometric (XRPD) modal composition, illite Kübler index and chlorite “crystallinity” determinations and vitrinite reflectance measurements were...
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Journal Article
Published: 01 January 2017
Journal of Foraminiferal Research (2017) 47 (1): 56-69.
... to propose a new preservation index for deep-sea sediments. In seawater, aragonite is more soluble than calcite; the benthic foraminiferal species H. elegans produces aragonitic tests, thereby providing potential proxies for subtle variations in carbonate preservation. Using two proxies based on H. elegans...
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Journal Article
Journal: Paleobiology
Published: 07 August 2013
Paleobiology (2013) 39 (4): 576-590.
... an oxygen isotope aridity index and used oxygen (δ 18 O) isotope values and carbon (δ 13 C) isotope values to assess regional climatic differences between the southeastern and southwestern United States during the Pleistocene. Using data collected from previously published studies, we assigned taxa...
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Journal Article
Published: 01 May 2012
Quarterly Journal of Engineering Geology and Hydrogeology (2012) 45 (2): 207-220.
...Mehrab Jesmani; Ramin Vaezi; Mehrad Kamalzare Abstract There is a general acceptance of constant C α/ Cc ratio (secondary compression index/ compression index) after many investigations made with different soil specimens. Therefore it should be possible to find useful correlations between soil...
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Journal Article
Journal: Geophysics
Published: 18 November 2010
Geophysics (2010) 75 (6): I51-I58.
...Petar Stavrev; Alan Reid Abstract The concept of extended Euler homogeneity of potential fields is examined with respect to all variables of length dimension in their analytical expressions. This reveals the possible existence of positive degrees of homogeneity or corresponding negative structural...
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Journal Article
Published: 01 April 2010
Journal of Micropalaeontology (2010) 29 (1): 73-80.
...STIG M. BERGSTRÖM; STEPHEN A. LESLIE Abstract The 2003 rediscovery of the long ‘lost’ Ozora, Missouri classical conodont locality of Branson & Mehl (1933b), from which the world’s first Late Ordovician conodont fauna was described, has made it possible to obtain topotype specimens...
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Journal Article
Journal: The Leading Edge
Published: 01 March 2010
The Leading Edge (2010) 29 (3): 304-309.
... parameters and depends only on tectonic features. The seismogenic index can be used to quantitatively compare different locations of a possible fluid injection (e.g., for a geothermal or a CO 2 injection) in terms of the potential risk of inducing an event of a magnitude larger than a given one. Along...
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Journal Article
Published: 13 February 2007
Canadian Journal of Earth Sciences (2007) 43 (12): 1877-1885.
..., stockworks in a rhyodacitic breccia, and a copper-rich vein, in a caldera context. The study of the regional alteration distribution is based on a database of more than 2300 chemical sample analyses using the NORMAT normative mineral alteration index. This method allows independent analysis of the numerous...
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Series: Geological Society, London, Special Publications
Published: 01 January 2004
DOI: 10.1144/GSL.SP.2004.231.01.07
EISBN: 9781862394797
... al . 2002) and therefore not always possible to accomplish. Here, we resort to an alternative quantitative method that would enable a relatively rapid correlation between the fracture mode of secondary fracture on joint fringes and the change in their fracture geometry. We use a scale of index...
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Journal Article
Journal: Economic Geology
Published: 01 May 1994
Economic Geology (1994) 89 (3): 493-514.
...-type district thermal histories. For each district in which data were collected, histograms of homogenization temperatures for the ore minerals were compared with the temperature range of the corresponding host rocks, as indicated by color alteration index (CAI) determinations on conodonts in the host...
Journal Article
Published: 01 August 1986
Environmental and Engineering Geoscience (1986) xxiii (3): 265-278.
...CHESTER F. WATTS; TERRY R. WEST Abstract The advent of microcomputer technology has made possible the computerized collection and analysis of many types of geotechnical data in the field. Data collected in this way may be quickly transferred to mainframe computers for detailed analyses or analyzed...
Journal Article
Published: 01 February 1982