Tectonic, magmatic and hydrothermal evolution of ocean floor spreading at Macquarie Island
The dates provided in temporal coverage are approximate only. Year and month are correct. Macquarie Island offers a rare land-based cross-section through the deep ocean floor, which covers 60% of our Earth. It formed 11 million years ago as slow spreading crust, which has had minimal study compared...
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Online Access: | https://researchdata.ands.org.au/tectonic-magmatic-hydrothermal-macquarie-island/686298 https://data.aad.gov.au/metadata/records/ASAC_1318 http://data.aad.gov.au/aadc/portal/download_file.cfm?file_id=1618 https://secure3.aad.gov.au/proms/public/projects/report_project_public.cfm?project_no=1318 http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ASAC_1318 |
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ftands:oai:ands.org.au::686298 2023-05-15T17:09:51+02:00 Tectonic, magmatic and hydrothermal evolution of ocean floor spreading at Macquarie Island AADC (originator) AU/AADC > Australian Antarctic Data Centre, Australia (resourceProvider) Spatial: northlimit=-54.0; southlimit=-54.0; westlimit=158.0; eastLimit=159.0 Temporal: From 2001-08-01 to 2003-03-31 https://researchdata.ands.org.au/tectonic-magmatic-hydrothermal-macquarie-island/686298 https://data.aad.gov.au/metadata/records/ASAC_1318 http://data.aad.gov.au/aadc/portal/download_file.cfm?file_id=1618 https://secure3.aad.gov.au/proms/public/projects/report_project_public.cfm?project_no=1318 http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ASAC_1318 unknown Australian Ocean Data Network https://researchdata.ands.org.au/tectonic-magmatic-hydrothermal-macquarie-island/686298 b337c186-99e8-4348-9269-2525595e736a https://data.aad.gov.au/metadata/records/ASAC_1318 http://data.aad.gov.au/aadc/portal/download_file.cfm?file_id=1618 https://secure3.aad.gov.au/proms/public/projects/report_project_public.cfm?project_no=1318 http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ASAC_1318 https://data.aad.gov.au geoscientificInformation oceans PLATE TECTONICS EARTH SCIENCE SOLID EARTH TECTONICS HYDROTHERMAL ALTERATION MACQUARIE ISLAND OCEAN FLOOR SPREADING FIELD SURVEYS AMD/AU CEOS AMD OCEAN > SOUTHERN OCEAN SOUTHERN OCEAN > GEOGRAPHIC REGION > POLAR dataset ftands 2020-01-05T21:07:14Z The dates provided in temporal coverage are approximate only. Year and month are correct. Macquarie Island offers a rare land-based cross-section through the deep ocean floor, which covers 60% of our Earth. It formed 11 million years ago as slow spreading crust, which has had minimal study compared to more common fastspreading crust. Does the difference in spreading speed produce different crustal geometry, composition, hydrothermal fluids, and cycling of sulfur between ocean and crust? To gain insights to these and related questions, we propose to study uplifted and eroded sections through a series of fault zones, spaced along the length of Macquarie Island, which were the last magmatic, structural and hydrothermal events to occur before shifting stresses drove the seafloor up to form the Macquarie Ridge mountain chain. This dataset is a summary of samples obtained by Mr Steve Lewis for the purposes of investigating hydrothermal alteration in oceanic crust on Macquarie Island. Samples derive from the major lake, Lusitania Bay, and Caroline Cove areas. Each sample consists of rock chips up to a maximum of 1 kg. Samples were all obtained by hand with a geological hammer. The fields in this dataset are: Sample Easting Northing Date Location Transect Details Dataset Macquarie Island Southern Ocean Research Data Australia (Australian National Data Service - ANDS) Southern Ocean ENVELOPE(158.0,159.0,-54.0,-54.0) |
institution |
Open Polar |
collection |
Research Data Australia (Australian National Data Service - ANDS) |
op_collection_id |
ftands |
language |
unknown |
topic |
geoscientificInformation oceans PLATE TECTONICS EARTH SCIENCE SOLID EARTH TECTONICS HYDROTHERMAL ALTERATION MACQUARIE ISLAND OCEAN FLOOR SPREADING FIELD SURVEYS AMD/AU CEOS AMD OCEAN > SOUTHERN OCEAN SOUTHERN OCEAN > GEOGRAPHIC REGION > POLAR |
spellingShingle |
geoscientificInformation oceans PLATE TECTONICS EARTH SCIENCE SOLID EARTH TECTONICS HYDROTHERMAL ALTERATION MACQUARIE ISLAND OCEAN FLOOR SPREADING FIELD SURVEYS AMD/AU CEOS AMD OCEAN > SOUTHERN OCEAN SOUTHERN OCEAN > GEOGRAPHIC REGION > POLAR Tectonic, magmatic and hydrothermal evolution of ocean floor spreading at Macquarie Island |
topic_facet |
geoscientificInformation oceans PLATE TECTONICS EARTH SCIENCE SOLID EARTH TECTONICS HYDROTHERMAL ALTERATION MACQUARIE ISLAND OCEAN FLOOR SPREADING FIELD SURVEYS AMD/AU CEOS AMD OCEAN > SOUTHERN OCEAN SOUTHERN OCEAN > GEOGRAPHIC REGION > POLAR |
description |
The dates provided in temporal coverage are approximate only. Year and month are correct. Macquarie Island offers a rare land-based cross-section through the deep ocean floor, which covers 60% of our Earth. It formed 11 million years ago as slow spreading crust, which has had minimal study compared to more common fastspreading crust. Does the difference in spreading speed produce different crustal geometry, composition, hydrothermal fluids, and cycling of sulfur between ocean and crust? To gain insights to these and related questions, we propose to study uplifted and eroded sections through a series of fault zones, spaced along the length of Macquarie Island, which were the last magmatic, structural and hydrothermal events to occur before shifting stresses drove the seafloor up to form the Macquarie Ridge mountain chain. This dataset is a summary of samples obtained by Mr Steve Lewis for the purposes of investigating hydrothermal alteration in oceanic crust on Macquarie Island. Samples derive from the major lake, Lusitania Bay, and Caroline Cove areas. Each sample consists of rock chips up to a maximum of 1 kg. Samples were all obtained by hand with a geological hammer. The fields in this dataset are: Sample Easting Northing Date Location Transect Details |
author2 |
AADC (originator) AU/AADC > Australian Antarctic Data Centre, Australia (resourceProvider) |
format |
Dataset |
title |
Tectonic, magmatic and hydrothermal evolution of ocean floor spreading at Macquarie Island |
title_short |
Tectonic, magmatic and hydrothermal evolution of ocean floor spreading at Macquarie Island |
title_full |
Tectonic, magmatic and hydrothermal evolution of ocean floor spreading at Macquarie Island |
title_fullStr |
Tectonic, magmatic and hydrothermal evolution of ocean floor spreading at Macquarie Island |
title_full_unstemmed |
Tectonic, magmatic and hydrothermal evolution of ocean floor spreading at Macquarie Island |
title_sort |
tectonic, magmatic and hydrothermal evolution of ocean floor spreading at macquarie island |
publisher |
Australian Ocean Data Network |
url |
https://researchdata.ands.org.au/tectonic-magmatic-hydrothermal-macquarie-island/686298 https://data.aad.gov.au/metadata/records/ASAC_1318 http://data.aad.gov.au/aadc/portal/download_file.cfm?file_id=1618 https://secure3.aad.gov.au/proms/public/projects/report_project_public.cfm?project_no=1318 http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ASAC_1318 |
op_coverage |
Spatial: northlimit=-54.0; southlimit=-54.0; westlimit=158.0; eastLimit=159.0 Temporal: From 2001-08-01 to 2003-03-31 |
long_lat |
ENVELOPE(158.0,159.0,-54.0,-54.0) |
geographic |
Southern Ocean |
geographic_facet |
Southern Ocean |
genre |
Macquarie Island Southern Ocean |
genre_facet |
Macquarie Island Southern Ocean |
op_source |
https://data.aad.gov.au |
op_relation |
https://researchdata.ands.org.au/tectonic-magmatic-hydrothermal-macquarie-island/686298 b337c186-99e8-4348-9269-2525595e736a https://data.aad.gov.au/metadata/records/ASAC_1318 http://data.aad.gov.au/aadc/portal/download_file.cfm?file_id=1618 https://secure3.aad.gov.au/proms/public/projects/report_project_public.cfm?project_no=1318 http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ASAC_1318 |
_version_ |
1766066215015415808 |