نتایج جستجو برای: petrology and geology
تعداد نتایج: 16830004 فیلتر نتایج به سال:
Title of Dissertation: CREATION AND DESTRUCTION OF LITHOSPHERIC MANTLE BENEATH THE NORTH CHINA CRATON Jingao Liu, Ph.D., 2011 Dissertation directed by: Professor Roberta L. Rudnick, Geology Professor Richard J. Walker, Geology Mantle peridotites carried in volcanic rocks provide a window into the composition, age and origin of deep lithospheric mantle. Previous studies of mantle peridotites hav...
CANADA. J. Parnell, G.R. Osinski, P. Lee, M. Baron, M. J. Pearson and M. Feely, Dept. of Geology & Petroleum Geology, University of Aberdeen, Aberdeen AB24 3UE, U.K., [email protected]), Dept. of Geology, University of New Brunswick, Fredericton, New Brunswick E3B 5A3, Canada, SETI Institute, NASA Ames Research Center, Moffett Field, CA 94035-1000, U.S.A., 4 Dept. of Geology, NUI Galway, Rep...
In this research, drone-based photogrammetry was utilized for mapping geology with the objective of mineral exploration in Shahzadeh Abbas Cu deposit, Kerman province, Iran. mineralization is vein-type and follows geological structures. A low-cost drone used to collect data. spatial resolution 3.26 cm achieved by considering a flight altitude 70 m. To reach accuracy less than 5 cm, 70% lateral ...
We present PetroChron Antarctica, a new relational database including petrological, geochemical and geochronological data sets along with computed rock properties from geological samples across Antarctica. The contains whole-rock geochemistry major/trace element isotope analyses, geochronology multiple isotopic systems minerals for given samples, as well an internally consistent classification ...
Abstract. The COVID-19 pandemic hindered the ability to conduct field geology courses in a hands-on and boots-on traditional manner. In response, we designed multi-part virtual module that encompasses many of basic requirements an advanced exercise, including designing mapping strategy, collecting processing observations, synthesizing data from field-based laboratory analyses, communicating res...
This article provides a background for scientists interested in a general overview of the geology and geomorphology of Turkmenistan. The basement of Turkmenistan is a complex amalgamation of arc-related terranes developed in the Asiatic and northern Paleotethys oceanic domains during Late Paleozoic to Triassic times. A major part of the country coincides with the Turan Platform, where a thick s...
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