Direct dating of mid-crustal shear zones with synkinematic allanite:new in situ U-Th-Pb geochronological approaches applied to the Mont Blanc massif [PDF]
, 2013 International audienceDating the timing of motion on crustal shear zones is of tremendous importance for understanding the assembly of orogenic terranes.
Cenki-tok, Benedicte +4 more
core +3 more sources
Participation in the U.S. Ellsworth Mountains operation of the 1979-1980 austral summer, Antarctica
Antarctic Record, 1981 Field activities in the Ellsworth Mountains in the 1979-1980 austral summer were supported from a temporary U.S. base camp. To study metamorphic petrology, the author mainly surveyed Marble Hills, Liberty Hills, Edison Hills, High Nunatak, and Wilson ...
Masaru Yoshida
doaj +1 more source
Experimental constraints on amphibole stability in primitive alkaline and calc-alkaline magmas [PDF]
, 2017 Equilibrium crystallization experiments were carried out on two primitive basaltic rocks (APR16: Na2O+K2O=4.40 wt%; CM42: Na2O+K2O=2.59 wt%) with the aim to investigate the amphibole stability in the differentiation processes at deep crustal level, of
Bonechi, Barbara +4 more
core +1 more source
Complex examination of the Upper Paleozoic siliciclastic rocks from southern Transdanubia, SW Hungary—Mineralogical, petrographic, and geochemical study [PDF]
, 2007 A vertical section of Upper Paleozoic sandstones from southern Transdanubia (Mecsek-Villány area, Tisza mega-unit, Hungary) has been analyzed for major and trace elements, including rare earth elements (REEs).
Á +35 more
core +1 more source
Late Precambrian U-Pb titanite age for peak regional metamorphism and deformation (Knoydartian orogeny) in the western Moine, Scotland [PDF]
, 2003 There has been controversy over the number and timing of orogenies in the Precambrian Moine block in the Scottish Caledonides since the earliest radiometric dating in the 1960s. This work challenges a recent hypothesis, that this sector of the Laurentian
Evans, J.A., Tanner, P.W.G.
core +1 more source
Geologica Carpathica, 2015 The Marziyan granites are located in the north of Azna and crop out in the Sanandaj-Sirjan metamorphic belt. These rocks contain minerals such as quartz, K-feldspars, plagioclase, biotite, muscovite, garnet, tourmaline and minor sillimanite.
Darvishi Esmaiel +3 more
doaj +1 more source
Essentials of Igneous and Metamorphic Petrology [PDF]
American Mineralogist, 2015 B. Ronald Frost and Carol D. Frost (2013) Cambridge University Press, U.K. ISBN: 9781107696297, 314 pages. Essentials of Igneous and Metamorphic Petrology , which is easy to recommend, is presented in a concise and compelling manner. The book is about 300 pages and is subdivided into eighteen chapters that convey the fundamental principles that govern
openaire +2 more sources
The Mesozoic along-strike tectono-metamorphic segmentation of Longmen Shan (eastern Tibetan plateau) [PDF]
, 2018 The Longmen Shan belt (eastern border of the Tibetan plateau) constitutes a tectonically active region as demonstrated by the occurrence of the unexpected 2008 Mw 7.9 Wenchuan and 2013 Mw 6.6 Lushan earthquakes in the central and southern parts of the ...
A. Robert +80 more
core +2 more sources
How large are departures from lithostatic pressure? Constraints from host-inclusion elasticity [PDF]
, 2015 Minerals trapped as inclusions within other host minerals will develop non-lithostatic pressures during both prograde and retrograde metamorphism because of the differences between the thermo-elastic properties of the host and inclusion phases.
Adams +39 more
core +1 more source
THE SEDIMENTARY GEOLOGY, REMOTE SENSING, GEOMORPHOLOGY AND PETROLOGY OF MIOCENE TO LATE PLIOCENE SEDIMENTS IN DISTRICT SUDHUNHOTI AND POONCH, AZAD JAMMU AND KASHMIR, PAKISTAN [PDF]
Earth Science Malaysia, 2017 A research work was embarked in the area in order to understand the sedimentary geology, remote sensing, geomorphology and petrology of the district Sudhunhoti and Poonch, Azad Jammu and Kashmir, Pakistan.
Muhammad +3 more
doaj +1 more source