The Parkam Exploration District, Kerman, Iran: Geology, ,Alterations, and Delineation of Cu- and Mo-Mineralized Zones Using U-Spatial Statistic with Associated Software Development

Seyyed Saeed Ghannadpour; Ardeshir Hezarkhani; Armin Sabet-Mobarhan-Talab

doi:10.1007/s12583-017-0722-z

Volume 28 Issue 2

Apr 2017

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Journal of Earth Science > 2017 > 28(2): 283-294.

Seyyed Saeed Ghannadpour, Ardeshir Hezarkhani, Armin Sabet-Mobarhan-Talab. The Parkam Exploration District, Kerman, Iran: Geology, ,Alterations, and Delineation of Cu- and Mo-Mineralized Zones Using U-Spatial Statistic with Associated Software Development. Journal of Earth Science, 2017, 28(2): 283-294. doi: 10.1007/s12583-017-0722-z

Citation:

Seyyed Saeed Ghannadpour, Ardeshir Hezarkhani, Armin Sabet-Mobarhan-Talab. The Parkam Exploration District, Kerman, Iran: Geology, ,Alterations, and Delineation of Cu- and Mo-Mineralized Zones Using U-Spatial Statistic with Associated Software Development. Journal of Earth Science, 2017, 28(2): 283-294. doi: 10.1007/s12583-017-0722-z

Citation:

Seyyed Saeed Ghannadpour, Ardeshir Hezarkhani, Armin Sabet-Mobarhan-Talab. The Parkam Exploration District, Kerman, Iran: Geology, ,Alterations, and Delineation of Cu- and Mo-Mineralized Zones Using U-Spatial Statistic with Associated Software Development. Journal of Earth Science, 2017, 28(2): 283-294. doi: 10.1007/s12583-017-0722-z

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The Parkam Exploration District, Kerman, Iran: Geology, ,Alterations, and Delineation of Cu- and Mo-Mineralized Zones Using U-Spatial Statistic with Associated Software Development

doi: 10.1007/s12583-017-0722-z

Department of Mining and Metallurgical Engineering, Amirkabir University of Technology (Tehran Polytechnic) , 424 Hafez Ave., Tehran 15916-34311, Iran

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Author Bio:
Seyyed Saeed Ghannadpour: http://orcid.org/0000-0001-9105-2428

Ardeshir Hezarkhani: http://orcid.org/0000-0002-1149-3440
Corresponding author: Ardeshir Hezarkhani, ardehez@aut.ac.ir
Received Date: 18 Oct 2015
Accepted Date: 14 Apr 2016
Publish Date: 01 Apr 2017

Abstract

Abstract

The Parkam exploration district represents an area of approximately 4 km² located 50 km north of Shahr-E-Babak (Kerman Province, Iran) , and has several traces of old copper mining and smelting activities. This area lies in the Kerman Copper Belt which is part of the larger Sahand-Bazman igneous and metallogenic zone hosting numerous known porphyry copper deposits and systems. The geology of the Parkam exploration district demonstrates that the area contains a diorite-type porphyry copper system hosted by volcanic and pyroclastic rocks of predominantly andesitic composition. Based on field and microscopic investigation, it was determined that the dominant types of alteration were propylitic, phyllic, argillic, and potassic, and the alteration map of the study area was produced. Expect for the propylitic alteration which was observed mainly in the host rocks, the other types of alteration are associated mainly with the dioritic subvolcanic body. Accompanied by subordinate amounts of primary sulfides, fracture-filling malachite is widespread in the potassic and phyllic zones and comprises the dominant style of mineralization at the surface of the porphyry system. Lithogeoc hemical data resulting from 377 samples were analyzed, and the results of background and anomaly separation by means of conventional and the U-spatial statistic method were compared. The Cu and Mo mineralizations were subsequently delineated using the U-spatial statistic. The delineated Cu mineralization is closely associated with the defined zone of potassic alteration, which is also consistent with the field and microscopic observation of the Cu mineralization in this alteration zone. The Mo mineralization delineated by the U-statistic method is mostly associated with the phyllic alteration and is spatially conformable with the zone defined for it. The source code for a software program, which was developed in the MATLAB programming language in order to perform the calculations of the U-spatial statistic method, is additionally provided. This software is compatible with geochemical variates other than Cu and Mo and can be used in similar exploration projects.
- Parkam,
- U-statistic,
- anomaly separation,
- Cu,
- Mo

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References(46)

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