Results 1 to 10 of about 2,626 (177)

Assessing environmental change associated with early Eocene hyperthermals in the Atlantic Coastal Plain, USA [PDF]

Climate of the Past, 2023
Eocene transient global warming events (hyperthermals) can provide insight into a future warmer world. While much research has focused on the Paleocene–Eocene Thermal Maximum (PETM), hyperthermals of a smaller magnitude can be used to characterize ...
W. Rush, W. Rush, J. Self-Trail, Y. Zhang, A. Sluijs, H. Brinkhuis, H. Brinkhuis, J. Zachos, J. G. Ogg, J. G. Ogg, J. G. Ogg, M. Robinson   +11 more
doaj   +1 more source

Petrogenesis and dating of Doran and Shah Bolaghi intrusions: Implications for post-collisional sodic and high-silica granitic magmatism [PDF]

پترولوژی, 2022
IntroductionThe Precambrian-Early Cambrian magmatism in Iran includes magmatic rocks in the central, northwestern (e.g. Tekab-Zanjan zone), and northeastern parts of the Iranian plate.
Zahra Badrzadeh, Mehraj Aghazadeh
doaj   +1 more source

Determination of the early Paleozoic accretionary complex in Southwestern Yunnan, China: Implications for the tectonic evolution of the Proto-Tethys Ocean

China Geology, 2023
: Accretionary complex study provides important knowledge on the subduction and the geodynamic processes of the oceanic plate, which represents the ancient ocean basin extinction location.
Guo-chuan Yan, Bao-di Wang, Han Liu, Juan He, Zhi-min Peng   +4 more
doaj   +1 more source

Analysis of specific radionuclides activity variations in soil within geotectonic units of Republic of North Macedonia [PDF]

Nuclear Technology and Radiation Protection, 2019
To establish baseline values for concentrations of terrestrial radionuclides for the Republic of North Macedonia, a survey covering the entire territory was performed.
Stojanovska Zdenka, Boev Blazo, Bossew Peter, Ristova Mimoza, Dimov Gorgi, Boev Ivan, Žunić Zora S.   +6 more
doaj   +1 more source

Geochemistry and petrogenesis of the Alamkandi granitoid body and Fe skarn (west of Mahneshan, the Zanjan province)

Journal of Economic Geology, 2021
Introduction Fe skarn deposits are the largest skarn deposits which are exploited for Fe as well as by-products of Cu, Co, Ni and Au (Meinert et al., 2005).
Farzaneh Nouri, Mir Ali Asghar Mokhtari, Javad Izadyar, Hossein Kouhestani   +3 more
doaj   +1 more source

Geology, geochemistry, fluid inclusion and genesis of the Arabshah magnetite-apatite mineralization, SE Takab

Journal of Economic Geology, 2022
The Arabshah Fe mineralization is the only known magnetite-apatite mineralization at the Takab–Takht-e-Soleyman–Angouran subzone in southeast of Takab. The oldest rock units in the mineralization area include sedimentary succession of the Qom Formation ...
Mir Ali Asghar Mokhtari, Hosein Kouhestani, Soheila Aghajani Marsa   +2 more
doaj   +1 more source

Structural Geology Analysis In A Disaster-Prone Of Slope Failure, Merangin Village, Kuok District, Kampar Regency, Riau Province

JGEET: Journal of Geoscience, Engineering, Environment and Technology, 2017
The geological disaster of landslide has occurred in Merangin Village, Kuok Subdistrict, Kampar Regency, Riau Province which located exactly in the national road of Riau - West Sumatra at Km 91.
Yuniarti Yuskar, Dewandra Bagus Eka Putra, Adi Suryadi, Tiggi Choanji, Catur Cahyaningsih   +4 more
doaj   +1 more source

A review of the geomechanics aspects of a double fatality coal burst at Austar Colliery in NSW, Australia in April 2014

International Journal of Mining Science and Technology, 2017
A coal burst occurred on 15 April, 2014 at the Austar Coal Mine, located west of Newcastle, NSW, Australia. The burst resulted in fatal injuries to two men working as part of the mining crew at the development face.
Bruce Hebblewhite, Jim Galvin
doaj   +1 more source

Geochemical and geophysical investigations, and fluid inclusion studies in the exploration area of Zafarghand (Northeast Isfahan, Iran)

Journal of Economic Geology, 2017
Introduction Urumieh-Dokhtar Magmatic Arc (UDMA) is a good prospective area for Cu, Cu-Mo and Cu-Au deposits (Fig. 1A and B). The Zafarghand district is located in the central part of the UDMA and the northeastern Isfahan.
Zahra Alaminia, Hashem Bagheri , Maryam Salehi   +2 more
doaj   +1 more source

The nature of hydrothermal fluids in the Kahang porphyry copper deposit (Northeast of Isfahan) based on mineralography, fluid inclusion and stable isotopic data

Journal of Economic Geology, 2017
Introduction The Kahang Cu- Mo deposit is situated approximately 73 Km northeast of Isfahan. Asadi (2007) identified a geological reserve of 40 Mt (proven reserve) grading at 0.53 Cu, 0.02 Mo and estimated reserve of 120 Mt.
Salimeh Sadat Komeili, Mahmoud Khalili, Hooshang Asadi Haroni, Hashem Bagheri, Farimah Ayati   +4 more
doaj   +1 more source