igneous rocks
A FORTRAN Software Application to Decode Geographical, Lithological, Political, and Bibliographical Information from the IGBADAT International Database on Igneous Rocks
... The IGBA system of igneous rocks information is an international repository of published information on igneous rocks [14]. It has four components: the IGBADAT database, a companion ...
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Petrology and Geochemistry of Igneous Rocks in Zarinkamar Area, NE of Shahrood, Iran
... of igneous rocks have an outcrop on the region. Intrusive igneous rocks include a type of syenite with aegirine pyroxene and the other includes quartz from 5 to 20 ...
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Chemical composition of biotite from the Lar Cu-Mo prospect igneous rocks, Southeastern part of Iran
... (barren) igneous rocks, and primary and secondary biotites indicate that the biotite has been equilibrated with a heterogeneous fluid or mixing of magmatic and meteoric fluids occurred in the Lar ...
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Gamma Radiation Measurements of Naturally Occurring Radioactive in Igneous Rocks and Its Radiological Complications
... This study was carried out in Albaha region in the south west of Saudi Arabia. This region lies on Longitude 41˚E, 42˚E and Latitude 19˚N, 20˚N. It is the smallest of the Kingdom’s provinces (11,000 square km) and has a ...
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The age and distribution of the igneous rocks of Macquarie Island
... the igneous rocks of the island could have been formed at much the same time, in a spreading zone in an oceanic environment, possibly the Indian-Antarctic spreading ...
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Remagnetization of igneous rocks in Gupis area of Kohistan arc, northern Pakistan
... the rocks of the ...plutonic rocks of northern part of the ...plutonic rocks exposed in the northern part of the ...plutonic rocks of the ...
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Igneous rocks, Central Plateau
... Typical examples of the normal alkali basaltic rocks include the basal flow of the Lake Echo sequence, some flows around Lake Augusta, that descended into the Liawenee sequence Sutherlan[r] ...
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Multifractal model of magnetic susceptibility distributions in some igneous rocks
... crystalline rocks sense a variable volume of magnetic minerals since they are usually accessory ...primarily igneous and metamorphic rocks of gran- odioritic to granitic ...
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The origin of ultrapotassic igneous rocks
... Analyses of chrome spinel occurring as inclusions in olivine from Caussberg, West Kimberley, Spain and the Leucite Hills.. Experimental data for Series I runs 0.045 wt% Cr20 3 on Caussb[r] ...
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Fluorine Assessment of Igneous Rocks by Neutron Activation Analysis
... The new approach in activation analysis was designed to determine the fluorine in rock samples using a neutron generator. The experiment confirmed that fluorine could be measured using a technique based on coincidences ...
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On some Igneous rocks from the Heazlewood District
... The macroscopical appearance of this rock is perfectly fresh it shows a somewhat compact but coarse granitoid structure from the closely embedded plates of pyroxene.. In colour it is a m[r] ...
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Permo Triassic detrital records of South China and implications for the Indosinian events in East Asia
... Mid-Paleozoic igneous rocks on Hainan Island are however, an unlikely source for the 400-300 Ma detritus in the Middle Triassic sample ...Ma) igneous rocks and tuffs, related to the ...
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Experimental and Numerical Investigation of Rock Dynamic Fracture
... represent igneous and sedimentary rocks in this ...The igneous rock, on the other hand, is an unaltered basalt with a vitreous groundmass and plagioclase phenocrysts ...
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NORRRM: A Free Software to Calculate the CIPW Norm
... of igneous rocks and plot specific compositions in phase ...of rocks and minerals, using simplified mineral ...for igneous rocks, generated over more than a hundred years ago [2] and ...
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Dubbing Modernization: The United States, France, and the Politics of Development in the Ivory Coast, 1946 1968
... The igneous rocks of these two areas--the McDowell Springs area and the Badger Pass area--separated by several kilometers of horizontal distance and over one hundred meters of elevation, differ in field ...
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The Petrography, Mineralography and Microprobe Analysis on New Exploratory Excavation Phase in Sarcheshmeh Copper Mine Pit and Comparing Them with Existing Data from the Other Area in South West Sarcheshmeh
... roclastic rocks of Eocene, deep plutonic masses, and Oligocene semi-deep apo- physes, intermediate dikes, numbers of silica vein and alluvial sediments from Quaternary and present ...studied rocks in ...
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The zoned ore deposits of the Zeehan mineral field
... Sulphides from Acid Igneous Rocks Hydrogen sulphide of Volcanic Origin Sulphur dioxide of Volcanic Origin.. Native sulphur of Volcanic Origin.[r] ...
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A Contribution to the Genesis of Analcite after Leucite in Potassic Volcanic Rocks of the Nadik Area, Kerman, Iran
... bearing rocks from the Dippin Sill, analcite was absent above 400°C ...analcite-bearing igneous rocks are thought to be much higher, euhedral analcite crystals in igneous rocks are now ...
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Ground Water Harvesting through Traditional Water Harvesting Technology: Adopting Himalayan Practices in Ethiopian Highlands
... and Igneous rocks (Ethiopian Highlands), assess methods to increase the capacity of recharge area, to identify measures for conservation of rock strata or transportation area, to develop and preserve the ...
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Disposal of High-Level Nuclear Waste in Deep Horizontal Drillholes
... Abstract: Spent nuclear fuel and high-level radioactive waste can be disposed in deep horizontal 14.. drillholes in sedimentary, metamorphic, or igneous rocks.[r] ...
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