Vol. 41, No.1 February 2022----Institute of Geochemistry Chinese Academy of Sciences

(Vol. 41, No.1 2022)

	ORIGINAL ARTICLES
1	Formation of the Huajiang Grand Canyon (southwestern China) driven by the evolution of a Late Pleistocene tiankeng Yunlong Fan · Andrea Columbu · Kangning Xiong · Guangjie Luo · Song Li · Xuefeng Wang · Yangyang Wu
12	Pure forsterite in Nyiragongo lavas: evidence for subsolidus oxidation of volcanic rocks Innocent Badriyo Agama · Gilles Chazot · Pierre Kamgang
24	Petrogenesis and tectonic implications of the Early Cretaceous Dagushan adakitic porphyries in the Anshan area, North China Craton Xiaohui Sun · Haoshu Tang · Yan Luan
39	Zircon micro-texture and chemistry: an investigation of magmatic history and crystallization temperature of quartz potassic syenite from Iwo area, Southwestern Nigeria Ademuyiwa Adetunji · Valentin Y. Ganev
50	Quantifying the impact of mineralogical heterogeneity on reactive transport modeling of CO₂+ O₂in-situ leaching of uranium Yun Yang · Wenjie Qiu · Zhengbang Liu · Jian Song · Jianfeng Wu · Zhi Dou · Jinguo Wang · Jichun Wu
64	Geochemistry of metasedimentary rocks of the Sonakhan and Mahakoshal greenstone belts, Central India: Implications for paleoweathering, paleogeography and mechanisms of greenstone belt development Hamidullah Wani · M.E.A. Mondal · Iftikhar Ahmad
84	Water quality, natural chemical weathering and ecological risk assessment of the contaminated area of vanadium ore in Yinhua River, China: Evidence from major ions and trace elements Delu Li · Yong Xu · Xiaotuan Zhang · Zhidong Yang · Shaofei Wang · Qianyang He · Zhe Jia
100	Geochemical characteristics of Neogene sandstones of the East and West Siang Districts of Arunachal Pradesh, NE India: implications for source-area weathering, provenance, and tectonic setting Roshmi Boruah · Jayanta Jivan Laskar
121	First-principle study of Ba isotopic fractionation during ion exchange processes Xin-Yue Ji · Yan-Fang Wang · Le-Cai Xing · Jian Liu · Peng-Dong Wang · Tian-Di Zhang · Hao-Nan Zhao
132	Geochemical analysis of multi-element in archaeological soils from Tappe Rivi in Northeast Iran Abdulmannan Rouhani · Hamidreza Azimzadeh · Ahad Sotoudeh · Judith Thomalsky · Hojat Emami
147	Late Cretaceous K-rich rhyolitic crystal tuffs from the Chuduoqu area in Eastern Qiangtang subterrane: evidence for crustal thickening of the central Tibetan Plateau prior to India–Asia collision Yonggang Sun · Bile Li · Fengyue Sun · Qingfeng Ding · Junlin Dong · Ye Qian · Yujin Li · Zhen Yao

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