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Showing: 1 to 10 of 54 matches for "xenoliths"  Page   1   2   3   4   5   6 TITLE Practical Aspects Of Cathodoluminescence Petrography Applied To Alkali Syenite And Carbonatite  SUMMARY ... Xenoliths often contain orthoclase that luminesces red. ... 13). Rare lazurite xenoliths have orange luminescing lazurite grains instead of sodalite. ... AUTHOR Barwood, H. L. PUBLISHED 2001 TITLE Rock Mass Properties and Hard Rock TBM Penetration Rate Investigations, Queens Tunnel Complex, NYC Water Tunnel #3, Stage 2  SUMMARY ... The field observations that much of the coarse-grained gneiss in the tunnel contained inclusions (screens, xenoliths, and cognate xenoliths) of older rock ... AUTHOR Merguerian, Charles ; Ozdemir, Levent PUBLISHED 2003 TITLE Exploration of the Sloan Ranch complex: a diamondiferous kimberlite prospect in northern Colorado  SUMMARY ... 1). A Devonian age for the complex is suggested by the fossil assemblages in limestone xenoliths (Chronic et al., 1969) and by paleomagnetism of the kimberlite ... AUTHOR Shaver, K. C. PUBLISHED 1987 TITLE Use Of Indigenous Kimberlite Minerals, Particularly Spinels, In The Evaluation Of Diamond Potential  SUMMARY ... Most are concerned with identifying indicator minerals such as pyrope garnet and magnesian ilmenite, which are derived from mantle xenoliths hosted by ... AUTHOR Pasteris, Jill Dill PUBLISHED 1984 TITLE Diamonds and Their Host Rocks in the United States  SUMMARY ... pyrope garnets are designated as G 10, that have been derived from subcalcic harzburgites and G9 derived from the more calcic Iherzolite xenoliths often found ... AUTHOR Hausel, W. Dan PUBLISHED 1995 TITLE An overview of the Prairie Creek diamond- bearing intrusion, Arkansas  SUMMARY ... porphyritic. Breccia fragments are extremely variable in size and texture, con- sisting predominantly of peridotite and xenoliths. ... AUTHOR Bolivar, S. L. PUBLISHED 1987 TITLE Magnetic Susceptibility And Lithological Variations Within The Lac Du Bonnet Batholith, Manitoba, Canada  SUMMARY ... susceptlblllty maxima denote the presence of xenoliths and intervals of core contalnlng large and coarse-grained magnetlc mlnerals. The ... AUTHOR Chomyn, B. A. ; Lapointe, P. PUBLISHED 1984 TITLE Diamond Deposits of Australia  SUMMARY ... discovered. They contained mantle xenoliths and indicator minerals and superficially resembling kimberlite (Stracke et al., 1979). ... AUTHOR Atkinson, W. J. PUBLISHED 1995 TITLE Geophysics and Geochemistry - Quantitative Distribution of Major and Trace Components in Rock Masses  SUMMARY ... In petrogenetic work such deviations have been shouln to reflect local influences (eg, contamination of magma by assimilation of xenoliths or country rocks of ... AUTHOR Whitten, E. H. T. PUBLISHED 1961 TITLE Discussion - Geology Of Toquepalo, Peru - Mining Engineering, Page 262, February 1958, AIME Trans., Vol. 211 – Richard, Kenyon, Courtright, James H.  SUMMARY ... contact. Many small inclusions and a few large inclusions or xenoliths of intruded rocks are observed within the pipe breccia center. ... AUTHOR Hart, L. H. PUBLISHED 1958 Showing: 1 to 10 of 54 matches for "xenoliths"  Page   1   2   3   4   5   6 Search Again