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7 Results Found

  • Article
  • Open Access
2,253 Views
10 Pages

3 September 2022

As an important part of the northern Huaiyang tectonic belt, the Mesozoic Xiaotian basin hosts a series of gold and alunite deposits. However, the ages of these deposits remain unclear, constraining the further understanding of the genesis of these d...

  • Article
  • Open Access
1 Citations
2,658 Views
16 Pages

20 December 2020

Mesozoic porphyritic rocks from the Zijinshan area, southwestern Fujian Province, China, are andesitic to rhyolitic in composition. The whole-rock SiO2 contents of these rocks are between 62.5% and 78.1%. Magmatic zircon from the Mesozoic porphyritic...

  • Article
  • Open Access
1 Citations
4,632 Views
26 Pages

9 June 2021

The axinite-bearing Gukjeon Pb–Zn deposit is hosted by the limestone, a member of the Jeonggaksan Formation, which, in turn, forms the part of the Jusasan subgroup of the Yucheon Group in the Gyeongsang Basin in the southeastern part of the Korean Pe...

  • Review
  • Open Access
1 Citations
1,840 Views
23 Pages

21 June 2023

The Jiao-Liao-Ji Belt (JLJB) is the most representative Paleoproterozoic orogenic belt in the North China Craton (NCC). The sedimentation, metamorphism and magmatism of the Ji’an Group and associated granites provide significant insights into t...

  • Article
  • Open Access
6 Citations
3,665 Views
24 Pages

Geochronology, Geochemistry, and Geodynamic Relationship of the Mafic Dykes and Granites in the Qianlishan Complex, South China

  • Zhi-Feng Yu,
  • Qi-Ming Peng,
  • Zheng Zhao,
  • Ping-An Wang,
  • Ying Xia,
  • Yu-Qi Wang and
  • Hao Wang

29 November 2020

The Qianlishan complex, located in Hunan Province of South China, is closely associated with intense W-dominated polymetallic mineralization. The Qianlishan complex is composed of three phases: the main-phase porphyritic and equigranular granites, gr...

  • Article
  • Open Access
378 Views
23 Pages

24 December 2025

The Tuzla area, located in the Ayvacık district of Çanakkale (Biga Peninsula, northwestern Türkiye), hosts a Oligocene-Miocene volcanic system comprising andesitic, dacitic, rhyolitic lavas, trachyandesite, pyroclastics, and ignimbri...

  • Article
  • Open Access
13 Citations
6,031 Views
16 Pages

“Trachytes” from Sardinia: Geoheritage and Current Use

  • Nicola Careddu and
  • Silvana Maria Grillo

6 July 2019

Sardinia was affected by an intense igneous activity which generated calc-alkaline products during the Oligo-Miocene period. The volcanic substance shows large variations, ranging from pyroclastic flow deposits, lava flows and domes. By composition,...