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Travertine mounds of the Cave and Basin National Historic Site, Banff National Park

Grasby, Stephen E ; van Everdingen, Robert O ; Bednarski, Jan ; Lepitzki, Dwayne A. W

Canadian journal of earth sciences, 2003-11, Vol.40 (11), p.1501-1513 [Revista revisada por pares]

Ottawa, Canada: National Research Council of Canada

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Título:
Travertine mounds of the Cave and Basin National Historic Site, Banff National Park
Autor: Grasby, Stephen E ; van Everdingen, Robert O ; Bednarski, Jan ; Lepitzki, Dwayne A. W
Materias: absolute age ; Alberta ; Banff National Park ; C-14 ; Canada ; Canadian Rocky Mountains ; carbon ; carbonate rocks ; Cave and Basin National Historic Site ; caves ; Cenozoic ; climate change ; collapse structures ; conservation ; dates ; erosion ; Freshwater ; ground water ; gypsum ; Holocene ; hot springs ; isotopes ; mounds ; national parks ; North America ; paleoclimatology ; paleohydrology ; paleotemperature ; public lands ; Quaternary ; radioactive isotopes ; Rocky Mountains ; sed rocks, sediments ; Sedimentary petrology ; sedimentary rocks ; springs ; sulfates ; thermal waters ; travertine ; Western Canada
Es parte de: Canadian journal of earth sciences, 2003-11, Vol.40 (11), p.1501-1513
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Descripción: The Cave and Basin National Historic Site is a fan-shaped travertine deposit associated with four thermal spring outlets. Tentative age dating of the travertine mound indicates growth initiated with onset of the late Holocene shift to more humid and cool climate conditions and suggests that the flow of thermal waters was limited during the Hypsithermal, which in turn places constraints on the evolutionary biology of endemic species in the spring system. Two large caves and one collapsed cave structure are developed within the deposit. Cave development is in response to both physical erosion of till underlying the travertine and acid gas attack of calcite that makes up the deposit. This process is buffered by formation of reaction crusts of gypsum on the interior cave walls. Only minor modern travertine growth occurs due to historic flow control measures. Understanding the flow of water through the historic site is critical for long-term preservation.
Editor: Ottawa, Canada: National Research Council of Canada
Idioma: Inglés

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Travertine mounds of the Cave and Basin National Historic Site, Banff National Park

Grasby, Stephen E ; van Everdingen, Robert O ; Bednarski, Jan ; Lepitzki, Dwayne A. W

Ottawa, Canada: National Research Council of Canada

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