Zobrazeno 1 - 10
of 2 084
pro vyhledávání: '"40Ar/39Ar"'
Autor:
Su-Chin Chang, Mei-Fei Chu, Jui-Pin Wang, Yu-Ming Lai, Sheng-Rong Song, Sidney R. Hemming, Samuel Wai-Pan Ng, Timothy Dylan Chow
Publikováno v:
Geoscience Letters, Vol 11, Iss 1, Pp 1-13 (2024)
Abstract The Tatun Volcano Group (TVG) is located at the northern end of Taiwan, ~ 15 km from the center of Taipei, a metropolitan area of over seven million inhabitants. A volcanic eruption by the TVG of any type or scale could cause catastrophic hu
Externí odkaz:
https://doaj.org/article/d411b7f4fc894f91a2721945d79d2d79
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract Large-scale flank collapses are one of the main hazards associated with the evolution of volcanic islands. Precisely dating such events is critical to evaluate the frequency of destabilization episodes and further assess the triggering mecha
Externí odkaz:
https://doaj.org/article/fc25cd7a2b074e4c8ec2da06f0fd5781
Autor:
Qiwei Feng, Mingbo Gao, Chao Fu, Siyuan Li, Yadong Li, Jilei Gao, Ming Ma, Zhaozhong Wang, Yidan Zhu, Binglu Wu, Zhuang Duan, Zhicai Dang
Publikováno v:
Minerals, Vol 14, Iss 7, p 690 (2024)
The Guodian Fe deposit is representative of the newly discovered Qihe–Yucheng high-grade Fe skarn ore cluster, Luxi Block, eastern North China Craton (NCC). The age of the Pandian Fe deposit remains elusive, which hinders the understanding of its m
Externí odkaz:
https://doaj.org/article/9560d2f7d3794fedaf8ef936e53fbbdc
Autor:
Carlos Eduardo Mota, Fred Jourdan, Arthur de Melo Said Fabião Moreira da Silva, Mauro Cesar Geraldes, Guilherme Loriato Potratz
Publikováno v:
Journal of the Geological Survey of Brazil, Vol 7, Iss 2 (2024)
T The Morro Redondo Complex is composed of plutonic and volcanic alkaline rocks. This igneous complex is part of the Poços de Caldas - Cabo Frio Magmatic Alignment (PCCFA). This study aims to contribute to the understanding of the petrogenesis of
Externí odkaz:
https://doaj.org/article/d3c6f03e5a1749c7b591fdb38a988ef4
Publikováno v:
Dizhi lixue xuebao, Vol 29, Iss 4, Pp 512-521 (2023)
Quaternary volcanic rocks are widely distributed in the Leizhou Peninsula, but the age of volcanic formation remains controversial. This study used the high-precision laser stepwise heating 40Ar/39Ar method to date the age of volcanic samples from th
Externí odkaz:
https://doaj.org/article/2ba83ed54d404a3b810421ecdd1b87fb
Akademický článek
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Akademický článek
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Publikováno v:
Minerals, Vol 14, Iss 6, p 575 (2024)
The Weilasituo Li–polymetallic deposit, located on the western slope of the southern Great Xing’an Range in the eastern Central Asian Orogenic Belt, is hosted by quartz porphyry with crypto-explosive breccia-type Li mineralisation atop and vein-t
Externí odkaz:
https://doaj.org/article/8075de4fcee04b76898ab0b506c96874
Publikováno v:
Minerals, Vol 14, Iss 4, p 397 (2024)
Slave Province in Canada is an Archean granite–supracrustal terrane at the northwestern corner of the Canadian Shield. It is bordered by the Thelon–Taltson orogen (2.0 to 1.9 Ga) to the southeast and the Wopmay orogen (1.9 to 1.8 Ga) to the west.
Externí odkaz:
https://doaj.org/article/7e69f85478084c5dba6cb44a960bfb48
Publikováno v:
Geosciences, Vol 14, Iss 3, p 69 (2024)
Late Cretaceous metamorphic events are known in Crete and the Cyclades from klippen above the External Hellenides. This work extends their occurrence to the North Aegean area within the tectonic units of the Internal Hellenides. New 40Ar/39Ar white m
Externí odkaz:
https://doaj.org/article/819650f8fe314c28bd61c1bf63309f56