Delineation of Copper Mineralization Zones at Wadi Ham, Northern Oman Mountains, United Arab Emirates Using Multispectral Landsat 8 (OLI) Data

Fares M. Howari, Habes Ghrefat, Yousef Nazzal, Mahmoud A. Galmed, Osman Abdelghany, Abdel Rahman Fowler, Manish Sharma, Fatima AlAydaroos, Cijo M. Xavier

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Copper deposits in the ultramafic rocks of the Semail ophiolite massifs is found to be enormous in the region of northern Oman Mountains, United Arab Emirates. For this study, samples of copper were gathered from 14 different sites in the investigation area and were analyzed in the laboratory using the X-ray diffraction, GER 3700 spectroradiometer, and Inductively Coupled Plasma-Mass Spectrometer. Detection and mapping of copper-bearing mineralized zones were carried out using different image processing approaches of minimum noise fraction, principal component analysis, decorrelation stretch, and band ratio which were applied on Landsat 8 (OLI) data. The spectra of malachite and azurite samples were characterized by broad absorption features in the visible and near infrared region (0.6–1.0 µm). The results obtained from the principal component analysis, minimum noise fraction, band ratio, decorrelation stretch, spectral reflectance analyses, and mineralogical and chemical analyses were found to be similar. Thus, it can be concluded that multispectral Landsat 8 data are useful in the detection iron ore deposits in arid and semi-arid regions.

Original languageEnglish
Article number578075
JournalFrontiers in Earth Science
Volume8
DOIs
Publication statusPublished - Sep 18 2020

Keywords

  • Landsat 8
  • United Arab Emirates
  • copper
  • mapping
  • ophiolite
  • spectra

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)

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