Characterization of Geochemical and Mineralogical Controls on Metal Mobility in the Prairie Creek Mine Area, NWT
Thesis (Master, Geological Sciences & Geological Engineering) -- Queen's University, 2013-07-04 20:00:21.774 The Prairie Creek Mine, NWT, is a non-producing Zn-Pb-Ag mine located within the Mackenzie Mountains. The 320 km2 area is surrounded by the Nahanni National Park Reserve, and is foun...
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ftqueensuniv:oai:https://qspace.library.queensu.ca:1974/8104 2024-06-02T08:10:14+00:00 Characterization of Geochemical and Mineralogical Controls on Metal Mobility in the Prairie Creek Mine Area, NWT Skeries, Kristina Geological Sciences and Geological Engineering Jamieson, Heather E. 2013-06-28 22:29:20.823 application/pdf http://hdl.handle.net/1974/8104 eng eng Canadian theses http://hdl.handle.net/1974/8104 This publication is made available by the authority of the copyright owner solely for the purpose of private study and research and may not be copied or reproduced except as permitted by the copyright laws without written authority from the copyright owner. mineralogy geochemical reconnaissance ore stockpile geochemistry waste rock pile metal mobility Northwest Territories thesis 2013 ftqueensuniv 2024-05-06T10:47:33Z Thesis (Master, Geological Sciences & Geological Engineering) -- Queen's University, 2013-07-04 20:00:21.774 The Prairie Creek Mine, NWT, is a non-producing Zn-Pb-Ag mine located within the Mackenzie Mountains. The 320 km2 area is surrounded by the Nahanni National Park Reserve, and is found approximately 40 km upstream of a UNESCO World Heritage Site. Geochemical characterization of weathered material in the area is useful from both an exploration geochemistry and environmental geochemistry perspective. This investigation attempted to characterize geochemical and mineralogical controls on metal mobility in natural and manufactured environments. Surface waters and sediments were sampled, analyzed, and interpreted. Detailed mineralogical analyses were also performed, including SEM, XRD, and synchrotron-based µXRF and µXRD. Prairie Creek contains sulphide and supergene mineralization hosted in carbonate rocks, which supply the area with a high pH, as well as a wealth of alkalinity and buffering capacity. This study aims to provide some insight as to the geochemical and mineralogical controls on the weathering processes which may enhance or inhibit mobility of metals downstream of known mineralization. Results show that the metals are found in much higher concentration in the stream sediments than in the stream waters. Pb and Zn show the highest concentrations, and Zn appears to be more mobile than Pb. Based on water versus sediment chemistry, it may be possible to differentiate between mineralization types. Dissolution textures and alteration of detrital grains indicates that chemical weathering does occur within the streams and releases metals to the aqueous environment, though they are likely quickly attenuated through adsorption or co-precipitation. The mine site hosts a historic ore stockpile and waste rock pile, established in the early 1980’s. Geochemical characterization of the reactions occurring within these piles and of the mineralogical controls on metal mobility can contribute to the mitigation ... Thesis Mackenzie mountains Nahanni National Park Northwest Territories Queen's University, Ontario: QSpace Northwest Territories Rock Pile ENVELOPE(-65.167,-65.167,-68.417,-68.417) |
institution |
Open Polar |
collection |
Queen's University, Ontario: QSpace |
op_collection_id |
ftqueensuniv |
language |
English |
topic |
mineralogy geochemical reconnaissance ore stockpile geochemistry waste rock pile metal mobility Northwest Territories |
spellingShingle |
mineralogy geochemical reconnaissance ore stockpile geochemistry waste rock pile metal mobility Northwest Territories Skeries, Kristina Characterization of Geochemical and Mineralogical Controls on Metal Mobility in the Prairie Creek Mine Area, NWT |
topic_facet |
mineralogy geochemical reconnaissance ore stockpile geochemistry waste rock pile metal mobility Northwest Territories |
description |
Thesis (Master, Geological Sciences & Geological Engineering) -- Queen's University, 2013-07-04 20:00:21.774 The Prairie Creek Mine, NWT, is a non-producing Zn-Pb-Ag mine located within the Mackenzie Mountains. The 320 km2 area is surrounded by the Nahanni National Park Reserve, and is found approximately 40 km upstream of a UNESCO World Heritage Site. Geochemical characterization of weathered material in the area is useful from both an exploration geochemistry and environmental geochemistry perspective. This investigation attempted to characterize geochemical and mineralogical controls on metal mobility in natural and manufactured environments. Surface waters and sediments were sampled, analyzed, and interpreted. Detailed mineralogical analyses were also performed, including SEM, XRD, and synchrotron-based µXRF and µXRD. Prairie Creek contains sulphide and supergene mineralization hosted in carbonate rocks, which supply the area with a high pH, as well as a wealth of alkalinity and buffering capacity. This study aims to provide some insight as to the geochemical and mineralogical controls on the weathering processes which may enhance or inhibit mobility of metals downstream of known mineralization. Results show that the metals are found in much higher concentration in the stream sediments than in the stream waters. Pb and Zn show the highest concentrations, and Zn appears to be more mobile than Pb. Based on water versus sediment chemistry, it may be possible to differentiate between mineralization types. Dissolution textures and alteration of detrital grains indicates that chemical weathering does occur within the streams and releases metals to the aqueous environment, though they are likely quickly attenuated through adsorption or co-precipitation. The mine site hosts a historic ore stockpile and waste rock pile, established in the early 1980’s. Geochemical characterization of the reactions occurring within these piles and of the mineralogical controls on metal mobility can contribute to the mitigation ... |
author2 |
Geological Sciences and Geological Engineering Jamieson, Heather E. |
format |
Thesis |
author |
Skeries, Kristina |
author_facet |
Skeries, Kristina |
author_sort |
Skeries, Kristina |
title |
Characterization of Geochemical and Mineralogical Controls on Metal Mobility in the Prairie Creek Mine Area, NWT |
title_short |
Characterization of Geochemical and Mineralogical Controls on Metal Mobility in the Prairie Creek Mine Area, NWT |
title_full |
Characterization of Geochemical and Mineralogical Controls on Metal Mobility in the Prairie Creek Mine Area, NWT |
title_fullStr |
Characterization of Geochemical and Mineralogical Controls on Metal Mobility in the Prairie Creek Mine Area, NWT |
title_full_unstemmed |
Characterization of Geochemical and Mineralogical Controls on Metal Mobility in the Prairie Creek Mine Area, NWT |
title_sort |
characterization of geochemical and mineralogical controls on metal mobility in the prairie creek mine area, nwt |
publishDate |
2013 |
url |
http://hdl.handle.net/1974/8104 |
long_lat |
ENVELOPE(-65.167,-65.167,-68.417,-68.417) |
geographic |
Northwest Territories Rock Pile |
geographic_facet |
Northwest Territories Rock Pile |
genre |
Mackenzie mountains Nahanni National Park Northwest Territories |
genre_facet |
Mackenzie mountains Nahanni National Park Northwest Territories |
op_relation |
Canadian theses http://hdl.handle.net/1974/8104 |
op_rights |
This publication is made available by the authority of the copyright owner solely for the purpose of private study and research and may not be copied or reproduced except as permitted by the copyright laws without written authority from the copyright owner. |
_version_ |
1800756058393673728 |