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Vol. 40, No.6 December 2021 TEXT SIZE: A A A

 

ACTA GEOCHIMICA 

(Vol. 40, No.6 2021)
   

 
  

 

ORIGINAL ARTICLES 

857

Xin Lin · Yujie Wang · Jinhua Zhang · Ming Yang · Xueping Chen · Fushun Wang · Jing Ma

871

Mineralogy and geochemistry of fine-grained Dahab stream sediments, Southeastern Sinai, Egypt: emphasis on the intergrowths of Fe–Ti oxides
Adel A. Surour · Ahmed.M.A. El-Kammar · Ebtisam H. Arafa · Hala M. Korany

895

Response of silicate chemical composition variation on thermal metamorphism of ordinary chondrites and classification of petrologic types: the case of L chondrites from Grove Mountains, Antarctica
Chuantong Zhang · Bingkui Miao · Zhipeng Xia · Qinglin Xie

912

Hydrogeochemical characteristics and its role in controlling arsenic mobilization in a shallow aquifer
Ayan Das · Abhijit Mandal

926

Constraints on unconsolidated pyroclastic flow sediments related REE enrichments originated from potassic-alkaline Gölcük stratovolcano: Darıdere-Direkli-Yakaören (DDY) table 4deposits, southwestern Anatolia of Turkey
Murat Budakoglu · Ali Tugcan Unluer · Zeynep Doner · Huseyin Kocaturk · Mustafa Kaya · Mustafa Kumral · M. Sezai Kirikoglu

945

Piotr Rusiniak · Klaudia Sekuła · Ondra Sracek · Piotr Stopa

961

Distribution of functional microorganisms and its significance for iron, sulphur, and nitrogen cycles in reservoir sediments
Shuang Bai · Meilin Yang · Zheng Chen · Ming Yang · Jing Ma · Xue-Ping Chen · Fushun Wang

973

The occurrence of vanadium in nature: its biogeochemical cycling and relationship with organic matter—a case study of the Early Cambrian black rocks of the Niutitang Formation, western Hunan, China
Rizwan Sarwar Awan · Chenglin Liu · Shangfeng Yang · Yuping Wu · Qibiao Zang · Ashar Khan · Guoxiong Li

998

Chemical and physical characteristics of quartz from gold deposits in the North China platform: relationship to gold mineralization
Jianzhao Yin · Yang Liu · Hongyun Shi

1023

Bruna Saar de Almeida · Mauro César Geraldes · Carlos Augusto Sommer · Felipe Corrales · Antonio João Paes de Barros

1050

Medet Junussov · Mádai Ferenc · Kristály Ferenc · Tóth Tivadar · Fintor Krisztián · Muránszky Gábor ·  Prekob ádám · Hámor-Vidó Mária
 
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