Lichens and Rocks: A Review
Lichens, especially saxicolous (rock-in-habiting) lichens, are encountered almost daily by the field geologist. Despite the difficulties in readily identifying lichens, there is increasing evidence that many species have a preference for some rock types, and that certain species can chemically modif...
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1994
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ftuninewbrunojs:oai:ojs.journals.lib.unb.ca:article/3831 2023-05-15T17:46:39+02:00 Lichens and Rocks: A Review Easton, R. M. 1994-06-06 application/pdf https://journals.lib.unb.ca/index.php/GC/article/view/3831 eng eng Geological Association of Canada https://journals.lib.unb.ca/index.php/GC/article/view/3831/4345 https://journals.lib.unb.ca/index.php/GC/article/view/3831 Copyright (c) 2015 Geoscience Canada Geoscience Canada; Volume 21, Number 2 (1994) 1911-4850 0315-0941 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion research-article 1994 ftuninewbrunojs 2022-07-11T11:47:51Z Lichens, especially saxicolous (rock-in-habiting) lichens, are encountered almost daily by the field geologist. Despite the difficulties in readily identifying lichens, there is increasing evidence that many species have a preference for some rock types, and that certain species can chemically modify their substrate. There is also increasing evidence that certain lichens, some of which change colour based on absorbed metal content, may make effective indicator plants in mineral exploration, particularly in areas such as the Northwest Territories. Résumé À tous les jours ou presque, le géologue de terrain peut observer des lichens et particulièrement les lichens saxicoles. Bien qu'il ne soit pas facile d'identifier rapidement les lichens, un nombre croissant d'indices montrent que plusieurs espèces ont un penchant pour certains types de roche, et que certaines espèces peuvent altérer chimiquement leur substrat. Il est également de plus en plus évident que certains lichens changent de couleur en fonction des métaux absorbés, et qu'il pourrait en cela être de bons végétaux indicateurs pour l'exploration minérale, particulièrement dans des régions comme celles des Territoires du Nord-ouest. Article in Journal/Newspaper Northwest Territories Territoires du Nord-Ouest University of New Brunswick: Centre for Digital Scholarship Journals Northwest Territories |
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University of New Brunswick: Centre for Digital Scholarship Journals |
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ftuninewbrunojs |
language |
English |
description |
Lichens, especially saxicolous (rock-in-habiting) lichens, are encountered almost daily by the field geologist. Despite the difficulties in readily identifying lichens, there is increasing evidence that many species have a preference for some rock types, and that certain species can chemically modify their substrate. There is also increasing evidence that certain lichens, some of which change colour based on absorbed metal content, may make effective indicator plants in mineral exploration, particularly in areas such as the Northwest Territories. Résumé À tous les jours ou presque, le géologue de terrain peut observer des lichens et particulièrement les lichens saxicoles. Bien qu'il ne soit pas facile d'identifier rapidement les lichens, un nombre croissant d'indices montrent que plusieurs espèces ont un penchant pour certains types de roche, et que certaines espèces peuvent altérer chimiquement leur substrat. Il est également de plus en plus évident que certains lichens changent de couleur en fonction des métaux absorbés, et qu'il pourrait en cela être de bons végétaux indicateurs pour l'exploration minérale, particulièrement dans des régions comme celles des Territoires du Nord-ouest. |
format |
Article in Journal/Newspaper |
author |
Easton, R. M. |
spellingShingle |
Easton, R. M. Lichens and Rocks: A Review |
author_facet |
Easton, R. M. |
author_sort |
Easton, R. M. |
title |
Lichens and Rocks: A Review |
title_short |
Lichens and Rocks: A Review |
title_full |
Lichens and Rocks: A Review |
title_fullStr |
Lichens and Rocks: A Review |
title_full_unstemmed |
Lichens and Rocks: A Review |
title_sort |
lichens and rocks: a review |
publisher |
Geological Association of Canada |
publishDate |
1994 |
url |
https://journals.lib.unb.ca/index.php/GC/article/view/3831 |
geographic |
Northwest Territories |
geographic_facet |
Northwest Territories |
genre |
Northwest Territories Territoires du Nord-Ouest |
genre_facet |
Northwest Territories Territoires du Nord-Ouest |
op_source |
Geoscience Canada; Volume 21, Number 2 (1994) 1911-4850 0315-0941 |
op_relation |
https://journals.lib.unb.ca/index.php/GC/article/view/3831/4345 https://journals.lib.unb.ca/index.php/GC/article/view/3831 |
op_rights |
Copyright (c) 2015 Geoscience Canada |
_version_ |
1766150434464989184 |