Remote sensing techniques applied for extracting an alteration zone associated with gold ore deposits in the greenstone, Brazil

Tadashi Yamakawa, Minoru Matsumura, Shigeaki Matsuo, Gilberto Ruy Derze, Masami Hato

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

It is indispensable for mineral exploration program that alteration zone which is closely related to the mineralization is clarified on its characteristics and is delineated from an investigation area. In this paper, Fazenda Brasileiro mine as a lode type of gold ore deposits pregnated in the greenstone was selected as a study area, aiming at extracting alteration zone, which is considered to be associated with primary alteration, around the ore body, by the use of remote sensing techniques. As the results, spectral analysis using field spectroradiometer against surface soils might be important tool for further exploration program in the preliminary stage. Through this spectral analysis, kaolinite, which is produced by weathering process, was focused as one of the indices showing wall rock alteration in this study area.

Original languageEnglish
Pages (from-to)81-87
Number of pages7
JournalResource Geology
Volume47
Issue number2
Publication statusPublished - 1997
Externally publishedYes

Fingerprint

Ore deposits
greenstone
Gold
ore deposit
Spectrum analysis
spectral analysis
Remote sensing
gold
Wall rock
Mineral exploration
remote sensing
Kaolin
mineral exploration
ore body
Weathering
wall rock
Ores
kaolinite
soil surface
weathering

Keywords

  • Brazil
  • Greenstone
  • Kaolinite
  • Lode
  • Meta-gabbro

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geology

Cite this

Remote sensing techniques applied for extracting an alteration zone associated with gold ore deposits in the greenstone, Brazil. / Yamakawa, Tadashi; Matsumura, Minoru; Matsuo, Shigeaki; Derze, Gilberto Ruy; Hato, Masami.

In: Resource Geology, Vol. 47, No. 2, 1997, p. 81-87.

Research output: Contribution to journalArticle

Yamakawa, T, Matsumura, M, Matsuo, S, Derze, GR & Hato, M 1997, 'Remote sensing techniques applied for extracting an alteration zone associated with gold ore deposits in the greenstone, Brazil', Resource Geology, vol. 47, no. 2, pp. 81-87.
Yamakawa, Tadashi ; Matsumura, Minoru ; Matsuo, Shigeaki ; Derze, Gilberto Ruy ; Hato, Masami. / Remote sensing techniques applied for extracting an alteration zone associated with gold ore deposits in the greenstone, Brazil. In: Resource Geology. 1997 ; Vol. 47, No. 2. pp. 81-87.
@article{2588f933110943679b899ac61a319a72,
title = "Remote sensing techniques applied for extracting an alteration zone associated with gold ore deposits in the greenstone, Brazil",
abstract = "It is indispensable for mineral exploration program that alteration zone which is closely related to the mineralization is clarified on its characteristics and is delineated from an investigation area. In this paper, Fazenda Brasileiro mine as a lode type of gold ore deposits pregnated in the greenstone was selected as a study area, aiming at extracting alteration zone, which is considered to be associated with primary alteration, around the ore body, by the use of remote sensing techniques. As the results, spectral analysis using field spectroradiometer against surface soils might be important tool for further exploration program in the preliminary stage. Through this spectral analysis, kaolinite, which is produced by weathering process, was focused as one of the indices showing wall rock alteration in this study area.",
keywords = "Brazil, Greenstone, Kaolinite, Lode, Meta-gabbro",
author = "Tadashi Yamakawa and Minoru Matsumura and Shigeaki Matsuo and Derze, {Gilberto Ruy} and Masami Hato",
year = "1997",
language = "English",
volume = "47",
pages = "81--87",
journal = "Resource Geology",
issn = "1344-1698",
publisher = "Wiley-Blackwell",
number = "2",

}

TY - JOUR

T1 - Remote sensing techniques applied for extracting an alteration zone associated with gold ore deposits in the greenstone, Brazil

AU - Yamakawa, Tadashi

AU - Matsumura, Minoru

AU - Matsuo, Shigeaki

AU - Derze, Gilberto Ruy

AU - Hato, Masami

PY - 1997

Y1 - 1997

N2 - It is indispensable for mineral exploration program that alteration zone which is closely related to the mineralization is clarified on its characteristics and is delineated from an investigation area. In this paper, Fazenda Brasileiro mine as a lode type of gold ore deposits pregnated in the greenstone was selected as a study area, aiming at extracting alteration zone, which is considered to be associated with primary alteration, around the ore body, by the use of remote sensing techniques. As the results, spectral analysis using field spectroradiometer against surface soils might be important tool for further exploration program in the preliminary stage. Through this spectral analysis, kaolinite, which is produced by weathering process, was focused as one of the indices showing wall rock alteration in this study area.

AB - It is indispensable for mineral exploration program that alteration zone which is closely related to the mineralization is clarified on its characteristics and is delineated from an investigation area. In this paper, Fazenda Brasileiro mine as a lode type of gold ore deposits pregnated in the greenstone was selected as a study area, aiming at extracting alteration zone, which is considered to be associated with primary alteration, around the ore body, by the use of remote sensing techniques. As the results, spectral analysis using field spectroradiometer against surface soils might be important tool for further exploration program in the preliminary stage. Through this spectral analysis, kaolinite, which is produced by weathering process, was focused as one of the indices showing wall rock alteration in this study area.

KW - Brazil

KW - Greenstone

KW - Kaolinite

KW - Lode

KW - Meta-gabbro

UR - http://www.scopus.com/inward/record.url?scp=0031527743&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0031527743&partnerID=8YFLogxK

M3 - Article

AN - SCOPUS:0031527743

VL - 47

SP - 81

EP - 87

JO - Resource Geology

JF - Resource Geology

SN - 1344-1698

IS - 2

ER -