 | | Journal (article/letter/editorial) | | porphyries. Sericitic alteration is dominant, but K-silicate alteration is also observed and is characterised...mm in size, o5 vol% quartz and minor biotite, and K-feldspar, some of which may be secondary. The matrix...porphyry, nor are there any truncated quartz veins, showing that such zones may be attributed to hydrothermal...The matrix is composed of almost equal amounts of K-feldspar and plagioclase, lesser amphibole, and minor...characterised by the presence of albitised plagioclase. K-feldspar, quartz, anhydrite and biotite are locally |  | | Book | | 1410 Birchmont Road Scarborough, Ontario M1P 2E7, Canada Van Nostrand Reinhold Australia Pty. Ltd. 17 Queen...Wyoming, extends through Idaho and Montana into Canada, and goes on to the North Slope of Alaska. We call...IGNEOUS ROCKS. Fig. 1-11. Location map of Colorado showing distribution of igneous rocks and Precambrian rocks...Eulalia, Chihuahua; along the Rocky Mountain front to Canada and to the North Slope of Alaska. Thermal springs...ores of the rift system are not yet dated by the K/ Ar (potassium-argon) method; however, dates of 10to |  | | Book | | Minerals 2020, 10, 1124. [CrossRef] Götze, J.; Stanek, K.; Orozco, G.; Liesegang, M.; Mohr-Westheide, T. Occurrence...University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada; yuanming.pan@usask.ca Correspondence: jens.goetze@mineral...elements of the volcanic rock matrix (Al, Ca, Fe, Na, K) are enriched, but extraordinary high contents of...Saskatoon, Canada). The equipment operated with microwave frequencies of ~9.63 GHz and 9.39 GHz at 295 K and...and 85 K, respectively. Experimental conditions included modulation frequency of 100 kHz, modulation amplitude |  | | Journal (volume) | | Andersen (Norway), Adrian A. Finch (UK), John Gittins (Canada), Jens Konnerup-Madsen (Denmark), Raymond Macdonald...Copenhagen, Øster Voldgade 10, DK-1350 Copenhagen K, Denmark. E-mail: hennings@geo.geol.ku.dk Keywords:...Augite syenite k su r a r lu L e Alkali granite, quartz syenite e lv se ks La k La 30 km Na ...arfvedsonite as the dominant mafic mineral and generally showing foyaitic textures. Naujakasite lujavrite is a variety...towards the north. Foreground layered kakortokites (K), the dark rocks in the middle ground belong to the |  | | Book (edition) | | Sc. and M.Sc. in geology from McGill University, Canada, and his Ph.D. from Harvard University, also in...Sc. and M.Sc. in geology from McGill University, Canada, and his Ph.D. from the University of Cambridge...Common Igneous Minerals 7.5 Plagioclase feldspar 7.6 K-feldspar 7.7 Quartz and silica polymorphs 7.8 Nepheline...the lithosphere. (B) Section through the Earth showing the depth, pressure, and temperature at major seismic...discontinuities. (C) Cross-section through the Earth showing the two-layer and whole-mantle convection models |  | | Book (edition) | | Sc. and M.Sc. in geology from McGill University, Canada, and his Ph.D. from Harvard University, also in...Sc. and M.Sc. in geology from McGill University, Canada, and his Ph.D. from the University of Cambridge...common igneous minerals 7.5 Plagioclase feldspar 7.6 K-feldspar 7.7 Quartz and silica polymorphs 7.8 Nepheline...the lithosphere. (B) Section through the Earth showing the depth, pressure, and temperature at major seismic...discontinuities. (C) Cross-section through the Earth showing the two-layer and whole-mantle convection models |  | | Book | | Pucu ArTHurR CLARENCE LoGcan P. LowNnpes H. K. Mao G. EMSLIE J. EK. GRake W. M. JR. Wituiam...Units in Crystals and Glasses Peter M. Bell, H. K. Mao, and George R. Rossman Introduction Theoretical... V1 CONTENTS III. IV. 4 Crystalline Solids Showing IR Luminescence Applications References 76 87...UNITS IN CRYSTALS AND GLASSES Peter MI. Bell, H. K. Mao, and George R. Rossman* TeweelintinoclivGtiemew...Institute of Technology. 2 P. M. BELL, H. K. MAO, AND G. R. ROSSMAN which arise from electronic |  | | Journal (article/letter/editorial) | | plagioclase (OrrAb*.An,o-microprobe analysis) with K-feldspar lamellae and quartz. The remainder of the...Mudstone Tvpe SampI e 2064D 2048A 459A K-AOIs K-AH2 0xide 50.6 si02 61-.7 4 75.62 8 7, 7...CaO 0.19 0 .1 8 0.09 0.07 0.13 0. 1 3 0.11 K^0 0 .0 4 0.05 0.05 0.01 0.04 0. 0 2 0.01 0...001 0.010 0.000 K2o ro. 44 10.45 1 0 .3 3 K 0.001 0.006 0.00r 0.006 0.002 Na2O 0.12 0...alkalis and of CaO in six quartzites,and high Na/K ratio in the seventhquartzite distinguishestheserocks |  | | Book (volume) | | Cutaway drawing of a foil-electret microphone showing the basic elements. (After G. M. Sessler and J...cross sections of push-pull electret headphones, showing static charge distributions. (a) Conventional...Integrated Filters, 1989; R. Schaumann, M. S. Ghausi, and K. R. Laker, Design of Analog Filters: Passive, Active-RC...Solid Relative Resistivity, Q-m, permittivity (k) Paper 20 10° 3-4 Mica 25-200 10'=10° 8 Nylon...also known as a dielectric. The dielectric constant k is defined as the ratio of the capacitance of a flat-plate |
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