 | | Journal (article/letter/editorial) | | Amsterdam 163 A new ferrosilite and Fe-pigeonite occurrence in the Reading Prong, New Jersey, USA Davis...1993) LITHOS ABSTRACT Ferrosilite and Fe-rich pigeonite have been discovered as discrete grains and as...terranes, pyroxenes such as ferrosilite or Fe-rich pigeonite are much less abundant (Lindsley and Munoz, 1969)...have established that ferrosilite a n d / o r Fe-pigeonite coexisting with fayalite, quartz and hedenbergite...discusses the significance of an occurrence of ferrosilite and Fe-rich pigeonite with fayalite, hedenbergite |  | | Journal (article/letter/editorial) | | olivine-phyric shergottites. Dominance of augite over plagioclase induced augite to control the Ca-buffer in the...low-Ca pyroxene (orthopyroxene + pigeonite), 36 vol% high-Ca pyroxene (augite), and 16 vol% maskelynite (Table...= shocked; Opx = orthopyroxene; Pig = pigeonite; Aug = augite; An = anorthite. sharp core-rim boundary...Tissint exhibits positive slope (Fig. 6). The Ni-Co trend in the olivine-phyric and lherzolitic shergottites...Olivine in Tissint possesses considerably lower Ni and Co content than other olivine-phyric and lherzolitic |  | Kapenda, D., B. Kampunzu *, , B. Cabanis, A., Namegabe, M., Tshimanga, K. (1998) Petrology and geochemistry of postkinematic mafic rocks from the Paleoproterozoic Ubendian belt, NE Katanga (Democratic Republic of Congo) Geologische Rundschau, 87 (3) 345-362 doi:10.1007/s005310050214 | Journal (article/letter/editorial) | | sustained by the trace-element compositions (e.g., occurrence of mafic magmas with high Th/Ta and La/Ta values;...Table 3) from Ca-rich (augite) to Ca-poor types (subcalcic augite and pigeonite). The pyroxenes define...Calculations for the clinopyroxene-liquid and pigeonite-augite thermometers (Kretz 1982) lead to equilibrium...61 23 6.8 13.4 62 26 Li (ppm) Rb Sr Ba V Cu Cr Co Ni Zn Zr Hf Ta La Ce Nd Sm Eu Gd Tb Dy Yb Lu Th U...77 0.53 2.09 1.63 0.40 Li (ppm) Rb Sr Ba V Cu Cr Co Ni Zn Zr Hf Ta La Ce Nd Sm Eu Gd Tb Dy Yb Th U Th/Ta |  | | Journal (article/letter/editorial) | | Clinopyroxene (dominant 2V2) Groundmass pigeonite (occurrence) Olivine (per cent forsterite) Plagioclase/pyroxene... I-I y o o (N CO I^N d dd -H -H -H \O O -H —^ CO ro ON O\ ON ^•^v^x ON ON co oo ON ON ^^ ^x^^...^ CN PM r-i 1 ^"--'^ ' —' w v CO o en rs) "I" o d d •^ ON ON •^°° S -; ^o ON \q...d rJ —•< OO O C\ tx ^ co ' O O O O O O O O O ' ' O 'OOO CO OS O CO —' —' ^ - - T ^ I \ O I Is...as ophimottled with a subophitic intergrowth of augite and plagioclase, and intersertal glass and mineraloids; |  | | Journal (article/letter/editorial) | | partitioning Ah-d, R. and Wilson, C. J. L. Microstructural Hill, Australia data from two Svecokarelian relationships...[1977]: 163-172 Ashley, P. M., Cook, N. D. J., Hill, R. L. and Kent, A. J. R. Shoshonitic lamprophyre...H. The granulite-eclogite facies transition; occurrence in the Bergen arcs. western Norway a comparison...belt and a 20(2) [1987]: 182-185 Barnes, S. J. see Hill, R. E. T. 34(l-3) [1995]: 159-188 Barnes, S.... Barton, M. see Cribb, J. W. Bass, Manuel N. Occurrence 181-197 of transitional 5(l) [1971]: 57-67 |  | | Book | | Domains in the Paleoproterozoic Trans-Hudson Orogen, Canada D. T.A.Symons, C.D.MacKay ....................... F and Mo was found to be direct relation, while Co, Sr, Eu, and Ba was found to be a weak correlation...14.00 131.0 1679 31.00 09.00 06.10 66.00 211.0 Ni Co Sc Cu Pb Mo Rb Ba Sr Ta Nb 'II T1 Y Th U F C1 05...Younger granite "Phase II" (Akaad et aI., 1979). Cr Co N! Zr V Ta Vb Y Rb Nb U Ba Sr 7~.O4 SI01 TI01...fonn direct relation with uranium content while with Co, Sr, Eu, and Ba have not well correlation. Also, |  | | Journal (article/letter/editorial) | | which have A-type characteristics (Campbell and Hill, 1988; Coffin and Eldholm, 1994). The felsic plutonic...+ K/Al 0.76 K2O/Na2O 2.63 Fe⁎ 0.82 Sc (ppm) V Cr Co Ni Cu Zn Ga Rb Sr Y Zr Nb Cs Ba La Ce Pr Nd Sm Eu...LOI Total ANCK Na + K/Al K2O/Na2O Fe⁎ Sc (ppm) V Cr Co Ni Cu Zn Ga Rb Sr Y Zr Nb Cs Ba La Ce Pr Nd Sm Eu...LOI Total ANCK Na + K/Al K2O/Na2O Fe⁎ Sc (ppm) V Cr Co Ni Cu Zn Ga Rb Sr Y Zr Nb Cs Ba La Ce Pr Nd Sm Eu...LOI Total ANCK Na + K/Al K2O/Na2O Fe⁎ Sc (ppm) V Cr Co Ni Cu Zn Ga Rb Sr Y Zr Nb Cs Ba La Ce Pr Nd Sm Eu |  | | Report (issue) | | Geological Survey of Canada GSC-Québec, 880 Chemin Sainte-Foy Québec, Québec G1S 2L2 Canada James M. McLelland...Stratigraphic—Proterozoic. 2. Geology—East (U.S.) 3. Geology—Canada, Eastern. I. Tollo, Richard P. II. Memoir (Geological...Damian Nance, and J. Duncan Keppie 135 7. A Ni-Cu-Co-PGE massive sulfide prospect in a gabbronorite dike...the Carthage-Colton shear zone: Data from the Dana Hill metagabbro body, Adirondack Mountains, New York...geochronology and geochemistry of a portion of the Mars Hill terrane, North Carolina– Tennessee: Constraints |
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