IDENTIFICATION OF HYDROTHERMAL ALTERATION ZONES USING ASTER DATA IN THE TAROM AREA, ZANJAN

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SHARGHI NAMING A.; ASLANI S.; BAHROUDI A.

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Paper Information

Journal: JOURNAL OF EARTH AND RESOURCES Year:2011 | Volume:3 | Issue:4 (9) Page(s): 55-62

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Title

IDENTIFICATION OF HYDROTHERMAL ALTERATION ZONES USING ASTER DATA IN THE TAROM AREA, ZANJAN

Author(s)

SHARGHI NAMING A. | ASLANI S. | BAHROUDI A. | Issue Writer Certificate

Keywords

TAROMQ2

ALTERATIONQ2

REMOTE SENSINGQ2

SELECTIVE PRINCIPAL COMPONENT ANALYSISQ3

BAND RATIOQ2

Abstract

Study area include a part fram Mountains, that situated between zanjan and TAROM plains. This area have been situated in Taroum 1,100000 sheet and north of Zanjan. Volcanic rocks include the surface of area. Volcanic rocks in divided into Kordkandi and Amand members, and batolitic introsive body have been in divided this area in two part, concordance with common trend of strata (NE – SE), this introsive body composite from monzonite, quartz monzonite, granite and granodiorite rocks. This area have been situated in the western Alborz from the point of view stractural geology and sedimentry basins. Advanced ALTERATION have been observed at the around of batolitic introsive body, that consist sericitic, argillic and silliceous ALTERATION. This ALTERATION zones is seen within pyroclastic rocks. In this paper , several techniques in image processing of ASTER sensor are used for identification and separation of ALTERATION zone. This method include false color composite, SELECTIVE PRINCIPAL COMPONENT ANALYSIS (crosta ) and BAND RATIO. Comparing the result of these methods show that false color composite method are best and simple methods in separation of ALTERATION zone in study area. Also with applying the analysis (crosta) as well as the direct data from the TAROM geological map (1:100000), produce the ALTERATION indicator map. Matching the information was explored from data show accuracy and its efficiency by using the ASTER data from the altered area.

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APA: Copy

SHARGHI NAMING, A., ASLANI, S., & BAHROUDI, A.. (2011). IDENTIFICATION OF HYDROTHERMAL ALTERATION ZONES USING ASTER DATA IN THE TAROM AREA, ZANJAN. JOURNAL OF EARTH AND RESOURCES, 3(4 (9)), 55-62. SID. https://sid.ir/paper/164335/en

Vancouver: Copy

SHARGHI NAMING A., ASLANI S., BAHROUDI A.. IDENTIFICATION OF HYDROTHERMAL ALTERATION ZONES USING ASTER DATA IN THE TAROM AREA, ZANJAN. JOURNAL OF EARTH AND RESOURCES[Internet]. 2011;3(4 (9)):55-62. Available from: https://sid.ir/paper/164335/en

IEEE: Copy

A. SHARGHI NAMING, S. ASLANI, and A. BAHROUDI, “IDENTIFICATION OF HYDROTHERMAL ALTERATION ZONES USING ASTER DATA IN THE TAROM AREA, ZANJAN,” JOURNAL OF EARTH AND RESOURCES, vol. 3, no. 4 (9), pp. 55–62, 2011, [Online]. Available: https://sid.ir/paper/164335/en

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