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Vol. 39, No.3 June 2020 TEXT SIZE: A A A

 

ACTA GEOCHIMICA 

(Vol. 39, No.3 2020)
 
 

 
  

 

ORIGINAL ARTICLES 

281

In-situ nitrogen fate in the vadose zone of different soil types and its implications for groundwater quality in the Huaihe River Basin, China
Rongfu Li · Xiaohong Ruan · Tianhai Ma · Ying Bai · Congqiang Liu

291

Organic geochemistry of the Lower Permian Tak Fa Formation in Phetchabun Province, Thailand: implications for its paleoenvironment and hydrocarbon generation potential
Piyaphong Chenrai · Supawich Fuengfu

307

Mantle plume: the dynamic setting of the origin of Early Paleozoic mafi c dykes in Ziyang, Shaanxi Province, Southern Qinling Block, China
Xiaoqing Chen · Shen Liu · Caixia Feng · Ian M. Coulson · Yan Fan · Kairui Tai · Tianjing Gao · Siyuan Zhang

326

Using Sr isotopes to trace the geographic origins of Chinese mitten crabs
Hao-Ming Yin · Fang Huang · Jun Shen · Hui-Min Yu

337

Geochemical characteristics and origin of the Neoproterozoic high-K calc-alkaline granitoids in the northern part of Mandara hills, northeastern Nigeria
Musa B. Girei · Tavershima Najime · Paul O. Ogunleye

355

A re-assessment of nickel-doping method in iron isotope analysis on rock samples using multi-collector inductively coupled plasma mass spectrometry
Hongmei Gong · Pengyuan Guo · Shuo Chen · Meng Duan · Pu Sun · Xiaohong Wang · Yaoling Niu

365

Trace elemental signatures and mineral chemistry of clays associated with the alteration halos of the Paleoproterozoic U mineralization in Bijawars of the Sonrai Basin, Central India
Surendra Kumar Jha · Rashmi Sharma · Jaya Prakash Shrivastava

387

Zircon saturation model in silicate melts: a review and update
Tongbin Shao · Ying Xia · Xing Ding · Yongfeng Cai · Maoshuang Song

404

Geochemical constraints on the origin and tectonic setting of the serpentinized peridotites from the Paleoproterozoic Nyong series, Eseka area, SW Cameroon
Philomene Nga Essomba Tsoungui · Sylvestre Ganno · Evine Laure Tanko Njiosseu ·Jean Lavenir Ndema Mbongue · Brice Kamguia Woguia · Landry Soh Tamehe ·Jonas Didero Takodjou Wambo · Jean Paul Nzenti

423

Hyperspectral estimation model of soil Pb content and its applicability in different soil types
Shiqi Tian · Shijie Wang · Xiaoyong Bai · Dequan Zhou · Qian Lu · Mingming Wang · Jinfeng Wang

434

Even-carbon predominance of Monomethyl branched alkanes in Humic coal from Junggar Basin, NW China
Qingsong Cheng · Min Zhang · Guanghui Huang

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