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Geophysical survey of the Trevallyn Tunnel line, Launceston, Tasmania

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Created 13/01/2025

Updated 13/01/2025

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At the request of the Tasmanian Hydro-Electric Commission a geophysical survey was carried out along a tunnel line at Trevallyn, a suburb of Launceston, North Eastern Tasmania. The excavation of the Trevallyn tunnel is part of the Hydro-Electric Trevallyn Power Development project to utilise the water of the South Esk river for generation of electric power. The construction works are already well advanced. A dam is being built on the river at the Second Basin. Water from the catchment will be diverted through a tunnel two miles long to a power station situated at sea level on the Tamar River. A locality map is given in Plate 1. Three geophysical exploration methods, electrical, seismic and gravitational, were used to locate deeply weathered and fractured zones in the dolerite bedrock, through which the tunnel is being driven.

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Title Geophysical survey of the Trevallyn Tunnel line, Launceston, Tasmania
Language eng
Licence notspecified
Landing Page https://devweb.dga.links.com.au/data/dataset/66421451-b850-4864-bfb2-373b7368fb03
Contact Point
Geoscience Australia
clientservices@ga.gov.au
Reference Period 22/04/2018
Geospatial Coverage {"type": "Polygon", "coordinates": [[[147.0, -41.5], [147.2, -41.5], [147.2, -41.3], [147.0, -41.3], [147.0, -41.5]]]}
Data Portal data.gov.au

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This dataset was originally found on data.gov.au "Geophysical survey of the Trevallyn Tunnel line, Launceston, Tasmania". Please visit the source to access the original metadata of the dataset:
https://devweb.dga.links.com.au/data/dataset/geophysical-survey-of-the-trevallyn-tunnel-line-launceston-tasmania

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