Results 91 to 100 of about 8,479 (222)
Minzeralogy, geochemistry and genesis of the Gozaldarreh iron skarn deposit, southeast Zanjan
Introduction The Zanjan area hosts several iron deposits with small reserves which are currently active. This extended abstract describes the geology, mineralogy and geochemistry of the Gozaldarreh iron deposit located 44 km south of Zanjan.
Seyed Javad Moghaddasi +2 more
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Geochemistry of I-type Volcanic Arc Granitoid From Tanggamus Regency, Southern Sumatra
Granitoid intrusion of several provinces on Sumatra is correlated with Southeast Asia tectonics that have occurred since the Permian. Granites from several volcanic arc provinces are located along the western part of Sumatra Island and are found near ...
Ronaldo Irzon +4 more
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ORIGIN AND PETROLOGY OF EKECİKDAĞ GRANITOID IN WESTERN CENTRAL ANATOLIAN CRYSTALLINE MASSIF
A belt formed by a number of granitoid intrusions is situated at the western part of the Central Anatolian Crystalline Massif. One of the granitoid intrusion at the southwest of the belt crops out between Aksaray and Ortaköy and is called Ekecikdağ ...
AKIMAN, Orhan, GÖNCÜOĞLU, M. Cemal
core
The petrogenetic puzzle of pink coloration of granitoid rocks is rooted on the debate between primary magmatic versus metasomatic origin of K-feldspar, which, in turn, has persisted due to difficulties in distinguishing these processes through conventional petrographic methods.
Shiba Acharya +4 more
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On the Origin of Certain Granitoid Rocks [PDF]
DR. CALLAWAY'S interesting letter with the above heading in NATURE (vol. xx. p. 219) tempts me to send you the following paragraph from my paper in the Quart. Journ. Geolog. Soc. for May, p. 286, an which the halleflintas of the Arvonian there mentioned are first described:—
openaire +2 more sources
Granitoid intrusion into the VGP News
The VGP News is intended to stimulate fruitful thought in important areas of volcanism, petrology, and geochemistry. To achieve this aim, the February and May editions of VGP News are dedicated to a two‐part debate on the origin of anatectic granitoids.
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YÖK Tez No: 467793Çaykara (Trabzon) yöresinde yer alan Mavriyas Granitoyidi'nin ve çevre kayaçlarının petrografik, jeokimyasal ve petrolojik özelliklerinin incelenmesini konu alan bu çalışmada Mavriyas Granitoyidi'nin gelişimi ortaya konularak, kökeni ...
Dündar, Buket
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Granitoid plutonism in the Caledonian orogen of Europe
Granitoid plutonism is a feature of all major segments of the Caledonian orogen in NW Europe and Greenland. Available data on geological setting, age and composition are presented for each segment and are collated for use as the basis for a regional and ...
Stephens, W. E. +1 more
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Radiological hazards assessment associated with granitoid rocks in Egypt
The present study aimed to assess the radioactive hazards associated with the application of granitoid rocks in building materials. An HPGe spectrometer was used to detect the levels of the radioactive elements uranium-238, thorium-232, and potassium-40 ...
Ahmed E. Abdel Gawad +3 more
doaj +1 more source

