Results 21 to 30 of about 75,440 (306)

Magmatism of northwest of Takestan: The product of asymmetric caldera collapse [PDF]

پترولوژی, 2022
One of the main products of caldera collapses is ignimbrite, and there is a direct relationship between the volume of ignimbrite and caldera dimensions.
Batool Nemati, Ali Asghar Sepahi Gerow, Abbas Asiababha   +2 more
doaj   +1 more source

Tectonic significance of changes in post-subduction Pliocene-Quaternary magmatism in the south east part of the Carpathian-Pannonian Region [PDF]

, 2010
The south-eastern part of the Carpathian–Pannonian region records the cessation of convergence between the European platform/Moesia and the Tisza–Dacia microplate.
Alexandru Szakács, Bada, Balla, Behrmann, Bertotti, Burov, Chalot-Prat, Ciulavu, Cloetingh, Cloetingh, Csontos, Defant, Demetrescu, Demetrescu, Downes, Duggen, Dérerova, Embey-Isztin, Embey-Isztin, Faccenna, Faccenna, Fielitz, Fodor, Fuchs, Gméling, Gröger, Gvirtzman, Gîrbacea, Gîrbacea, Harangi, Harangi, Harangi, Harangi, Hauser, Heidbach, Hilary Downes, Horváth, Horváth, Houseman, Ioan Seghedi, Ismail-Zadeh, Ivan, Jarosinski, Knapp, Konečný, Krézsek, Leever, Linzer, Liviu Maţenco, Lustrino, Martin, Mason, Mason, Mason, Maţenco, Maţenco, Maţenco, Mo, Morley, Negrete-Aranda, Nemčok, Nemčok, Oncescu, Oncescu, Pallares, Panaiotu, Paul R.D. Mason, Peccerillo, Peccerillo, Pharaoh, Pinter, Plašienka, Popa, Pécskay, Pécskay, Rosenbaum, Royden, Royden, Roşu, Russo, Sacks, Sanders, Schmid, Schott, Seghedi, Seghedi, Seghedi, Seghedi, Seghedi, Seghedi, Seghedi, Seghedi, Sperner, Szakács, Szakács, Szakács, Szakács, Szakács, Săndulescu, Săndulescu, Tari, Tari, Turner, Tărăpoancă, Ustaszewski, Vaselli, Vasiliev, Vinkler, Wenzel, Wortel, Xiao, Ziegler, Zoltán Pécskay   +112 more
core   +2 more sources

Amphibole: A major carrier of helium isotopes in crustal rocks [PDF]

, 2016
The first evidence for a specific role of amphiboles in He isotope balance of crustal rocks was presented in early contributions by Gerling et al. (1971, 1976).
A.B. Verchovsky, Andrews, Ashkinadze, Baxter, Baxter, Baxter, Begemann, Belkov, Damon, Farley, Gaber, Gannibal, Gerling, Gerling, Gerling, Gerling, Gorshkov, Graham, Helz, Hilton, I.L. Kamensky, I.N. Tolstikhin, Jackson, Jackson, Jackson, Kalita, Kamensky, Kamensky, Kelley, Kendrick, Komarov, Komarov, Kremenetsky, Lee, Lee, Lee, Lee, Lippolt, M.A. Gannibal, Mamyrin, Martel, Matsumoto, Morozova, Morrison, Petrov, Pujol, S.V. Tarakanov, Scarsi, Shelby, Sherlock, Staudacher, Tolstikhin, Tolstikhin, Tolstikhin, Tolstikhin, Tolstikhin, Tolstikhin, Trull, V.I. Skiba, V.R. Vetrin, Verchovsky, Vetrin, Vetrin, Wartho, Wright, Wright   +65 more
core   +1 more source

Mafic alkaline metasomatism in the lithosphere underneath East Serbia: evidence from the study of xenoliths and the host alkali basalts [PDF]

, 2010
Effects of mafic alkaline metasomatism have been investigated by a combined study of the East Serbian mantle xenoliths and their host alkaline rocks.
Cvetkovic, V., Downes, Hilary, Hock, V., Lazarov, M., Prelevic, D.   +4 more
core   +1 more source

Distribution characteristics of organic matter in the Fengcheng Formation in Mahu Sag, Junggar Basin: implications for hydrocarbon generation model in alkaline lacustrine deposition

Frontiers in Earth Science, 2023
Alkaline lacustrine deposits are known for their high primary productivity, unique aquatic environments, and sedimentary patterns, which are conducive to the formation and preservation of organic matter.
Minjie Ni, Yuanyuan Zhang, Yong Tang, Wenjun He   +3 more
doaj   +1 more source

RARE EARTH MINERALS IN ALKALINE AND SUBALKALINE ROCKS OF THE BALBUK COMPLEX (SOUTH URALS) [PDF]

Минералогия, 2016
Mineral composition of alkaline and subalkaline rocks of the Balbuk complex (South Urals) is characterized. The major REE minerals are monazite-(Ce), allanite-(Ce), and rhabdophane-(Ce).
E.P. Makagonov, V.A. Kotlyarov
doaj  

Rifting and arc-related early Paleozoic volcanism along the North Gondwana margin: geochemical and geological evidence from Sardinia (Italy) [PDF]

, 2012
Three series of volcanic rocks accumulated during the Cambrian to Silurian in the metasediment-dominated Variscan basement of Sardinia. They provide a record of the changing geodynamic setting of the North Gondwana margin between Upper Cambrian and ...
BUZZI L, FUNEDDA A., GAGGERO L, OGGIANO G   +3 more
core   +1 more source

Mineral chemistry of late Variscan gabbros from central Spain: constraints on crystallisation processes and nature of the parental magmas [PDF]

, 2015
© 2016. Universidad Complutense de Madrid. The commercial rights of the printed and online versions of Journal of Iberian Geology are property of the Universidad Complutense de Madrid (UCM) and the Consejo Superior de Investigaciones CientÍficas (CSIC),
Jeffries, T, Losantos, E, Orejana, D, Villaseca, C   +3 more
core   +3 more sources

Petrochemical characteristics of late Paleozoic magmatic rocks of the Mandakh area, southeast Mongolia

Mongolian Geoscientist, 2018
The late Paleozoic magmatic rocks are widely distributed in the Mandakh area which is located in the Gurvansaikhan and Manlai terrains, where porphyry Cu deposits occur.
Undarmaa Batsaikhan, Tsuchiya Noriyoshi, Chimedtseren Anaad, Batkhishig Bayaraa   +3 more
doaj   +1 more source

Petrogenetic processes in the ultramafic, alkaline and carbonatitic magmatism in the Kola Alkaline Province: a review [PDF]

, 2005
Igneous rocks of the Devonian Kola Alkaline Carbonatite Province (KACP) in NW Russia and eastern Finland can be classified into four groups: (a) primitive mantle-derived silica-undersaturated silicate magmas; (b) evolved alkaline and nepheline syenites; (
Balaganskaya, E., Beard, Andy, Demaiffe, D., Downes, Hilary, Liferovich, R.   +4 more
core   +1 more source