TY - JOUR
T1 - Structural Control of Primary Tin Mineralization (Case Study
T2 - 5th International Conference on Science, Infrastructure Technology and Regional Development 2020, ICoSITeR 2020
AU - Oktaviani, Alya Dhiya
AU - Dewi, Disa Kurnia
AU - Sihombing, Felix Mulia Hasudungan
N1 - Funding Information:
I thank to Mr. Felix M. H. Sihombing from Geology Study Program, Department of Geoscience, Faculty Mathematic and Natural Science, Universitas Indonesia for the constructive and valuable comments during this research. This research is also financially supported by PT. Timah for mapping accommodation and Publikasi Terindeksi Internasional (PUTI) Grant No. NKB-2383/UN2.RST/HKP.05.00/2020 for research publication. The geological mapping data was collected by Disa Kurnia Dewi (Graduated Geology Student, Universitas Indonesia).
Publisher Copyright:
© Published under licence by IOP Publishing Ltd.
PY - 2021/10/4
Y1 - 2021/10/4
N2 - Tins are important commodities of metal mineral deposits in Bangka and have been mined since the seventeenth century. The research aims to determine the characteristics of primary tin mineralization in Parit Tiga, West Bangka Regency, Bangka Belitung and the control of geological structures on mineralization. Rock samples were obtained from geological mapping and analyzed using X-Ray Diffraction (XRD), X-Ray Fluorescence (XRF), petrography, and mineragraphy method. From the analysis, the alteration can be divided into four zones: quartz + tourmaline alteration, quartz + halloysite + chlorite + pyrophyllite alteration, quartz + illite alteration, and quartz + kaolinite + chlorite + dickite alteration. The cassiterite, hematite, and pyrite are found in the mineralization zone associated with the greisen deposit. Based on the structural analysis data conducted on the normal left slip fault, the shear stress has an orientation of NE-SW and resulting in the forming of NW-SE gash fractures. These gash fractures have been filled by quartz and the tourmaline as disseminated minerals. The distribution of mineralization and alteration are found adjacent to the sheeted quartz-tourmaline veins. The dominated-tin concentration in ore deposits has the same orientation as the fault structure. These infer that the mineralization and alteration in the research area are controlled by geological structure.
AB - Tins are important commodities of metal mineral deposits in Bangka and have been mined since the seventeenth century. The research aims to determine the characteristics of primary tin mineralization in Parit Tiga, West Bangka Regency, Bangka Belitung and the control of geological structures on mineralization. Rock samples were obtained from geological mapping and analyzed using X-Ray Diffraction (XRD), X-Ray Fluorescence (XRF), petrography, and mineragraphy method. From the analysis, the alteration can be divided into four zones: quartz + tourmaline alteration, quartz + halloysite + chlorite + pyrophyllite alteration, quartz + illite alteration, and quartz + kaolinite + chlorite + dickite alteration. The cassiterite, hematite, and pyrite are found in the mineralization zone associated with the greisen deposit. Based on the structural analysis data conducted on the normal left slip fault, the shear stress has an orientation of NE-SW and resulting in the forming of NW-SE gash fractures. These gash fractures have been filled by quartz and the tourmaline as disseminated minerals. The distribution of mineralization and alteration are found adjacent to the sheeted quartz-tourmaline veins. The dominated-tin concentration in ore deposits has the same orientation as the fault structure. These infer that the mineralization and alteration in the research area are controlled by geological structure.
KW - alteration
KW - Geological structure
KW - granite
KW - mineralization
KW - tin deposit
UR - http://www.scopus.com/inward/record.url?scp=85117400054&partnerID=8YFLogxK
U2 - 10.1088/1755-1315/830/1/012046
DO - 10.1088/1755-1315/830/1/012046
M3 - Conference article
AN - SCOPUS:85117400054
SN - 1755-1307
VL - 830
JO - IOP Conference Series: Earth and Environmental Science
JF - IOP Conference Series: Earth and Environmental Science
IS - 1
M1 - 012046
Y2 - 23 October 2020 through 25 October 2020
ER -