Yıl 2019, Cilt 9 , Sayı 2, Sayfalar 67 - 71 2019-12-27

Geochemistry of metamorphic-hosted iron ore deposit and associated silica caps in Arıdağ mountain, Bitlis, Eastern Anatolia: preliminary records and pathfinder elements for hydrothermal origin

Hakan ÇOBAN [1]


 

 

 

 

 

Available online at www.dergipark.ulakbim.gov.tr/beuscitech/

 

Journal of Science and Technology

 

                                                                E-ISSN 2146-7706                                                                                                

 

 

Type the title of your paper, capitalize first letter only

 

Name Surname a,* , Name Surname b

a Bitlis Eren University, Department of Archaeology, TR-13000, Bitlis Turkey

b Bitlis Eren University, Department of Biology, TR-13000, Bitlis Turkey

 

A R T I C L E  I N F O

Article history:

Received 00 December 0000

Received in revised form 00 January 0000

Accepted 00 February 0000

 

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A B S T R A C T

 Fe ore is one of the common ore deposits occurred in Bitlis and surrounding areas from Eastern Anatolia.  A new Fe occurrence have recently been discovered in Arıdağ Mountain (locally called as Gultik mountain) at SW of Bitlis city. Iron ore (magnetite-hematite) presents in metamorphic basement rocks as predominantly disseminated-type and lesser massive ore. The area also hosts silica-rich alteration zones. Here, the bulk samples from both disseminated Fe-ore and siliceous alteration zones have been geochemically analyzed by XRF method. Obtained results show that the grade of Fe-ore as total Fe2O3 (wt.%) increase from 2 wt.% to 42 wt.%, together with MgO (from 0.01 to 5.3 wt.%,), CaO (from 0.13 to 1.90 wt.%) and Na2O (from 0.42 to 4.93 wt.%), as a function of decreasing SiO2 (from 68 to 39 wt.%) and Al2O3 (15 to 8 wt.%). Significant amount of Co (36-160 ppm), Mo (4-13 ppm), As (0.5-3.7 ppm), Hg (2.3-4.0 ppm) and Sb (0.8-1.3 ppm) determined in analyzed iron ore samples. Similarly, in samples of silica caps, SiO2 range between 88 wt.% and 74 wt.%, and decrease with increasing Al2O3 (from 0.01 to 20.85 wt.%) and TiO2 (from 0.015 to 1.05 wt.%). Other oxides do not show regular trends. Such siliceous zones also include remarkable amount of Au (from 7.8 gr/t to 17.6 gr/t in some samples), Co (30-200 ppm), Mo (2-10 ppm), As (0.9-3.2 ppm), Hg (1.7-6.7 ppm) and Sb (0.7-73 ppm) contents. LREE enrichment also exist in high-grade Fe-ore. Based on the first preliminary geochemical results, it is concluded that the metamorphic-hosted Fe ore and Au-bearing silica caps from Arıdağ Mountain have most likely hydrothermal (epithermal) in origin, and leaching of silica and the removal of iron, formed the iron ore (hematite-magnetite) in the metamorphic basement rocks. For gold exploration, the region has a good potential. The uplifting of the metamorphic massive and related post-metamorphic tectonics in Neo-tectonic period possibly gave way the prominent channels for emplacement of hydrothermal fluids in the area. Extensional tectonic carried the Au-Co-As-Hg-Sb-Mo-bearing silica-rich hydrothermal fluids into the metamorphic basement.

 

 



Iron ore, Au-bearing silica caps
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Birincil Dil en
Bölüm Articles
Yazarlar

Yazar: Hakan ÇOBAN (Sorumlu Yazar)
Kurum: BITLIS EREN UNIVERSITY
Ülke: Turkey


Destekleyen Kurum Geosciences Application and Research Center of Ankara University, Ankara, Turkey.
Proje Numarası -----
Teşekkür I would like to thank to Dr. Yusuf Kağan KADIOĞLU for conducting the geochemical analysis of samples at Geosciences Application and Research Center of Ankara University, Ankara, Turkey.
Tarihler

Yayımlanma Tarihi : 27 Aralık 2019

Bibtex @araştırma makalesi { beuscitech609954, journal = {Bitlis Eren University Journal of Science and Technology}, issn = {}, eissn = {2146-7706}, address = {}, publisher = {Bitlis Eren Üniversitesi}, year = {2019}, volume = {9}, pages = {67 - 71}, doi = {10.17678/beuscitech.609954}, title = {Geochemistry of metamorphic-hosted iron ore deposit and associated silica caps in Arıdağ mountain, Bitlis, Eastern Anatolia: preliminary records and pathfinder elements for hydrothermal origin}, key = {cite}, author = {ÇOBAN, Hakan} }
APA ÇOBAN, H . (2019). Geochemistry of metamorphic-hosted iron ore deposit and associated silica caps in Arıdağ mountain, Bitlis, Eastern Anatolia: preliminary records and pathfinder elements for hydrothermal origin. Bitlis Eren University Journal of Science and Technology , 9 (2) , 67-71 . DOI: 10.17678/beuscitech.609954
MLA ÇOBAN, H . "Geochemistry of metamorphic-hosted iron ore deposit and associated silica caps in Arıdağ mountain, Bitlis, Eastern Anatolia: preliminary records and pathfinder elements for hydrothermal origin". Bitlis Eren University Journal of Science and Technology 9 (2019 ): 67-71 <https://dergipark.org.tr/tr/pub/beuscitech/issue/50725/609954>
Chicago ÇOBAN, H . "Geochemistry of metamorphic-hosted iron ore deposit and associated silica caps in Arıdağ mountain, Bitlis, Eastern Anatolia: preliminary records and pathfinder elements for hydrothermal origin". Bitlis Eren University Journal of Science and Technology 9 (2019 ): 67-71
RIS TY - JOUR T1 - Geochemistry of metamorphic-hosted iron ore deposit and associated silica caps in Arıdağ mountain, Bitlis, Eastern Anatolia: preliminary records and pathfinder elements for hydrothermal origin AU - Hakan ÇOBAN Y1 - 2019 PY - 2019 N1 - doi: 10.17678/beuscitech.609954 DO - 10.17678/beuscitech.609954 T2 - Bitlis Eren University Journal of Science and Technology JF - Journal JO - JOR SP - 67 EP - 71 VL - 9 IS - 2 SN - -2146-7706 M3 - doi: 10.17678/beuscitech.609954 UR - https://doi.org/10.17678/beuscitech.609954 Y2 - 2019 ER -
EndNote %0 Bitlis Eren University Journal of Science and Technology Geochemistry of metamorphic-hosted iron ore deposit and associated silica caps in Arıdağ mountain, Bitlis, Eastern Anatolia: preliminary records and pathfinder elements for hydrothermal origin %A Hakan ÇOBAN %T Geochemistry of metamorphic-hosted iron ore deposit and associated silica caps in Arıdağ mountain, Bitlis, Eastern Anatolia: preliminary records and pathfinder elements for hydrothermal origin %D 2019 %J Bitlis Eren University Journal of Science and Technology %P -2146-7706 %V 9 %N 2 %R doi: 10.17678/beuscitech.609954 %U 10.17678/beuscitech.609954
ISNAD ÇOBAN, Hakan . "Geochemistry of metamorphic-hosted iron ore deposit and associated silica caps in Arıdağ mountain, Bitlis, Eastern Anatolia: preliminary records and pathfinder elements for hydrothermal origin". Bitlis Eren University Journal of Science and Technology 9 / 2 (Aralık 2019): 67-71 . https://doi.org/10.17678/beuscitech.609954
AMA ÇOBAN H . Geochemistry of metamorphic-hosted iron ore deposit and associated silica caps in Arıdağ mountain, Bitlis, Eastern Anatolia: preliminary records and pathfinder elements for hydrothermal origin. Bitlis Eren University Journal of Science and Technology. 2019; 9(2): 67-71.
Vancouver ÇOBAN H . Geochemistry of metamorphic-hosted iron ore deposit and associated silica caps in Arıdağ mountain, Bitlis, Eastern Anatolia: preliminary records and pathfinder elements for hydrothermal origin. Bitlis Eren University Journal of Science and Technology. 2019; 9(2): 71-67.