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HYPERSPECTRAL REMOTE SENSING IN MINERAL EXPLORATION: AMMONIUM-ILLITE AS A PATHFINDER FOR GOLD

Citation

Browning, David Allan. (2014). HYPERSPECTRAL REMOTE SENSING IN MINERAL EXPLORATION: AMMONIUM-ILLITE AS A PATHFINDER FOR GOLD. Theses and Dissertations Collection, University of Idaho Library Digital Collections. https://www.lib.uidaho.edu/digital/etd/items/browning_idaho_0089m_10209.html

Title:
HYPERSPECTRAL REMOTE SENSING IN MINERAL EXPLORATION: AMMONIUM-ILLITE AS A PATHFINDER FOR GOLD
Author:
Browning, David Allan
Date:
2014
Keywords:
Ammonium Carlin Gold Mineral Exploration Remote Sensing
Program:
Geology
Subject Category:
Geology; Remote sensing
Abstract:

The presence of ammonium-illite on the Earth's surface has been correlated to known deposits via structures at Carlin-type gold deposits, suggesting its importance as a vector for gold ore. Additionally, ammonium-illite has often been proposed as a geochemical exploration tool due to its formation in hydrothermal systems. Very little work has focused on ammonium-illite as an exploration tool due to the costly, time-consuming, and often inaccurate methods of ammonium detection, such as wet chemical methods or X-Ray Diffraction. Short-wave infrared reflectance spectroscopy has the ability to detect even trace amounts of ammonium quickly and effectively.

Two hyperspectral surveys were performed in Elko County, Nevada, USA. The hyperspectral images were processed to identify several clay anomalies, including ammonium-illite, on a regional exploration scale, while field trothing of an existing claim block showed a spatial relationship between ammonium-illite and gold soil anomalies.

Description:
masters, M.S., Geology -- University of Idaho - College of Graduate Studies, 2014
Major Professor:
Isaacson, Peter
Committee:
Gunter, Mickey; Mateer, Melissa
Defense Date:
2014
Identifier:
Browning_idaho_0089M_10209
Type:
Text
Format Original:
PDF
Format:
application/pdf

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