Results 41 to 50 of about 10,226 (223)

Age and origin of the Nb-Zr-REE mineralization in the Paleoproterozoic A1-type granitoids at Otanmäki, central Finland [PDF]

Bulletin of the Geological Society of Finland, 2020
The Otanmäki area in central Finland hosts two occurrences of Nb-Zr-REE minerali-zation, Katajakangas and Kontioaho, within a suite of ca. 2.04–2.06 Ga (A1-type) gneissic granites, syenite and monzonite-monzodiorite.
Kimmo Kärenlampi, Asko Kontinen, Eero Hanski, Hannu Huhma, Yann Lahaye, Joachim Krause, Thomas Heinig   +6 more
doaj   +1 more source

Temperature and pore pressure effects on the shear strength of granite in the brittle-plastic transition regime [PDF]

, 2004
Currently published lithospheric strength profiles lack constraints from experimental data for shear failure of typical crustal materials in the brittle-plastic transition regime in wet environments.
Mochizuki, H, Odedra, A, Ohnaka, M, Sammonds, P   +3 more
core   +1 more source

40Ar-39Ar Dating of Muscovite from the Zhaojinggou Nb-Ta Polymetallic Deposit in Wuchuan County of Inner Mongolia and Its Geological Implications

Yankuang ceshi, 2017
The Zhaojinggou Nb-Ta polymetallic deposit in Inner Mongolia is a newly discovered large rare metal ore deposit. The reserve of Nb-Ta oxides is more than 8200 tons.
GAO Yun, SUN Yan, ZHAO Zhi, LI Jian-kang, HE Han-han, YANG Yue-qing   +5 more
doaj   +1 more source

Petrografi Dan Geokimia Unsur Utama Granitoid Pulau Bangka: Kajian Awal Tektonomagmatisme [PDF]

, 2013
Pulau Bangka tersusun oleh Granit Klabat dan variasi granitoidnya. Penelitian ini bertujuan mengetahui karakteristik Granitoid Pulau Bangka untuk diaplikasikan dalam mempelajari magmatisme, situasi tektonik dan hubungan antar granitoidnya untuk ...
Widana, K. S. (Kurnia)
core   +2 more sources

Geochemistry of Granites in Panggong Lalat, Gua Musang, Kelantan [PDF]

BIO Web of Conferences
Granites are among the most significant rock formations in the Earth’s crust and play a crucial role in various geological processes. This study focuses on examining the geology and granitic rock formations in Panggong Lalat, Gua Musang, Kelantan through
Shafiee Nor Shahida, Mohd Yusri Muhammad Afif Aflah, Achmad Bahar Arham Muchtar, Sulaiman Noorzamzarina   +3 more
doaj   +1 more source

Control Structure of Garba Formation Through Petrography Analysis in Tanjung Beringin, South OKU Regency, South Sumatra [PDF]

, 2016
The study area is the village of Tanjung Beringin carefully situations, South OKU Regency, which is included within the Subpalembang Basin  with the dominant lithology is granite.
Alfath, R. (Rahmat), Nasution, F. (Frillia), Putra, R. W. (Ridho), Putri, N. (Nurlita)   +3 more
core   +3 more sources

Fluid inclusions and tin deposition at Zaaiplaats, the Central Transvaal, South Africa [PDF]

Bulletin of the Geological Society of Finland, 1984
Fluid inclusion heating and freezing methods were used to evaluate the depositional temperatures and composition of the ore-forming fluid of the endogranitic tin deposits of the Bushveld Complex at the Zaaiplaats mine.
J.T. Ollila
doaj   +1 more source

Characterization of mesostasis regions in lunar basalts: Understanding late-stage melt evolution and its influence on apatite formation [PDF]

, 2016
Recent studies geared toward understanding the volatile abundances of the lunar interior have focused on the volatile-bearing accessory mineral apatite.
Agrell, Anand, Anderson, Barnes, Barnes, Birck, Boyce, Boyce, Day, Engel, Eugster, Fagan, Ghiorso, Ghiorso, Gualda, Hallis, Henderson, Hintenberger, Hohenberg, Horn, Husain, James, Lester, Liu, Longhi, Mathez, McCubbin, McCubbin, McCubbin, McCubbin, McCubbin, Neal, Neal, Nyquist, Papanastassiou, Papanastassiou, Pernet-Fisher, Prowatke, Ridley, Ryder, Seddio, Tartèse, Tartèse, Tartèse, Tartèse, Turner, Wakita, Weigand   +47 more
core   +1 more source

Early Cambrian U-Pb zircon age and Hf-isotope data from the Guasayán pluton, Sierras Pampeanas, Argentina: implications for the northwestern boundary of the Pampean arc [PDF]

, 2016
An Early Cambrian pluton, known as the Guasayán pluton, has been identified in the central area of Sierra de Guasayán, northwestern Argentina. A U?Pb zircon Concordia age of 533 ± 4 Ma was obtained by LA-MC-ICP-MS and represents the first report of ...
Alasino, Pablo Horacio, Baldo, Edgardo Gaspar Agustín, Basei, Miguel A. S., da Costa Campos Neto, Mario, Dahlquist, Juan Andrés, Rapela, Carlos Washington, Uran, Gimena Mariel, Verdecchia, Sebastián Osvaldo, Zandomeni, Priscila Soledad   +8 more
core   +2 more sources

P–T Modelling Constrains the Depth of Emplacement of the Porto Azzurro Pluton and Implies Minor Exhumation Caused by the Zuccale Fault (Island of Elba, Italy)

Journal of Metamorphic Geology, EarlyView.
ABSTRACT Understanding the pressure of emplacement of granitic intrusions is crucial to understanding the exhumation history of plutons and constraining the tectonic setting of magma emplacement. However, P–T and geochronological constraints from exhumed plutons are often characterized by large uncertainties, especially in shallow crustal settings with
Samuele Papeschi, Marco Bonini, Matteo Lupi, Chiara Del Ventisette, Domenico Montanari   +4 more
wiley   +1 more source