1. Middle Ordovician (middle Darriwilian) Dirafinesquina and Jigunsania gen. nov. (Rafinesquinidae; Strophomenoidea; Brachiopoda) from South Korea, with discussion of rafinesquinid evolution

   • Yeongju Oh
   • Sangmin Lee
   • Dong-Chan Lee

   Article 18 February 2023 Pages: 253 - 270

2. Geochemical implication of Eu isotopic ratio in anorthosite: new evidence of Eu isotope fractionation during feldspar crystallization

   • Seung-Gu Lee
   • Tsuyoshi Tanaka
   • Mi Jung Lee

   Article 22 April 2023 Pages: 271 - 284

3. Seismic event and phase detection using deep learning for the 2016 Gyeongju earthquake sequence

   • Jongwon Han
   • Seongryong Kim
   • Donghee Park

   Article 15 March 2023 Pages: 285 - 295

4. Integration of remote sensing and geophysical data for structural lineaments analysis in the Rag-e-Sefid oil/gas field and surrounding areas, SW Iran

   • Zahra Tajmir Riahi
   • Khalil Sarkarinejad
   • Gholam Reza Payrovian

   Article 08 March 2023 Pages: 297 - 320

5. Spatial variation of in situ stress at shallow depth in South Korea

   • Minzy Kang
   • Chandong Chang
   • Chan Park

   Article 03 March 2023 Pages: 321 - 335

6. Factors influencing the slope instability of the Mussoorie-Bhitarli area, Garhwal Himalaya

   • Khayingshing Luirei
   • Manish Mehta
   • Girish Ch. Kothyari

   Article 24 April 2023 Pages: 337 - 350

7. Diffusion mechanism of deep shale gas and its carbon isotope fractionation: a combined simulated and mathematical analysis

   • Yu Zou
   • Guojian Wang
   • Xuying Zheng

   Article 15 March 2023 Pages: 351 - 366

8. Use of geochemical and mathematical models for the determination of mixing ratios in groundwater from municipal wells, Madison, Wisconsin, USA

   • Hesham A. Ezzeldin
   • Jean M. Bahr

   Article 18 April 2023 Pages: 367 - 383