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dikes for the extrusive metabasalt of the Catoctin Formation ...
The biotite granodi orite gneiss varies from potassium feldspar augen gneiss along the east boundary of the map area to mylonite in the western part of its occurrence.
NEVADA BUREAU OF MINES AND GEOLOGY
monzoni te and small er amounts of granodi ori te and grani te; a1 aski te dikes are a crosscutting phase. A potassium-argon age determination on biotite from
Geomorphological, geotechnical and geothermal conditions at Diavik ...
The granite and granodi-orite rocks are concentrated in the northern area of East Island, the metasedimentary rocks are located within an east-west running central zone of ...
MUSCOVITE WITH SMALL OPTIC AXIAL ANGLE* U. S. Geological Suraey ...
"A white, nearly uniaxial muscovite occurs as veinlets and replacements in the granodi-orite near the Sunrise Copper Prospect, Sultan Basin, Snohomish County ...
1977 DECEMBER 39, No. 12 VOLUME
0 granodi oritel I N I Formation () .2 Basalt of intrusives Z f'" 'I "" 1'1~+ •. mH';,* :§!W1B@) W n:: 0 Columbia River1Marine sed.nLlttJe B~tteJ1 Basalt r
Calcic skarns and transversal zoning in the Banat mountains ...
gions of thinner continental crust to granodi-orite fi granite plutons in regions of thicker continental crust. As a result of this magmatic migration, the banatitic
20.3. A PRELIMINARY INVESTIGATION OF THE CLAY MINERALS IN THE ...
bottom in a basement of quartz-biotite schist and granodi-orite. Twenty-four cores were taken, and from the recov-ered sequence 28 samples were analyzed for the present
1997, Twenty-Second Workshop on Geothermal Reservoir Engineering
hanging wall against crystalline Cretaceous granodi- orite in the footwall appears to be critical to the devel- opment of the modern geothermal reservoir.
Geochemistry of the Esence granitoid (Göksun-Kahramanmarafl), SE ...
Esence granitoyidi, granodi-yorit ve mikrogranitlerle temsil edilmektedir. Granodiyoritik kayaçlar boylar› 5-30 cm aras›nda de¤iflen amfibolce
Formation of K-feldspar megacrysts in granodioritic plutons by ...
Abstract K-feldspar megacrysts in granite and granodi-orite plutons are generally inferred to be early crystallizing phases (grown to large sizes when the magma was mostly
