Vol. 37, No.6 December 2018----Institute of Geochemistry Chinese Academy of Sciences

ACTA GEOCHIMICA

(Vol. 37, No.6 December 2018)

ORIGINAL ARTICLES

781	The effects of clay minerals and organic matter on nanoscale pores in Lower Paleozoic shale gas reservoirs, Guizhou, China Yuantao Gu · Quan Wan · Wenbin Yu · Xiaoxia Li · Zhongbin Yu
805	Age and geochemistry of Early Ordovician A-type granites in the Northeastern Songnen Block, NE China Changzhou Deng · Deyou Sun · Guangyi Sun · Changlu Lv · Zhen Qin · Xianquan Ping · Guanghui Li
820	Origin and genetic family of Huhehu oil in the Hailar Basin, northeast China Yao-Ping Wang · Fan Zhang · Yan-Rong Zou · Zhao-Wen Zhan · Yulan Cai
842	Genesis of fahlore in the Tianbaoshan lead–zinc deposit, Sichuan Province, China: a scanning electron microscopy–energy dispersive spectroscopy study Yusi Hu · Lin Ye · Zhenli Li · Zhilong Huang · Jiawei Zhang
854	The morphological characteristics of gully systems and watersheds in Dry-Hot Valley, SW China Zhen Xu · Fachao Qin · Bin Zhang · Qingchun Deng · Hui Liu · Jie Jin · Liangtao Shi
867	State of rare earth elements in the rare earth deposits of Northwest Guizhou, China Peinan He · Mingyou He · Hai Zhang
875	Does bicarbonate affect the nitrate utilization and photosynthesis of Orychophragmus violaceus? Ye Lu · Yanyou Wu · Kaiyan Zhang
886	Distribution and geochemical significance of trace elements in shale rocks and their residual kerogens Jian-bing Xu · Bin Cheng · Qian Deng · Yun-gan Liang · Oluwabamise Lekan Faboya · Ze-wen Liao
901	Data modelling for crude oil migration studies using ranking method: a rapid geo-tracer technique for geochemists Oluwabamise L. Faboya · Oluwadayo O. Sonibare · Olusola T. Faboya · Utkarsh Agrawal · Zewen Liao ·Olusegun Ekundayo
911	Incorporation of silica into the goethite structure: a microscopic and spectroscopic study Abdullah Musa Ali · Eswaran Padmanabhan · Hassan Baioumy

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