Data

L154 North Yilgarn Seismic Survey, WA, 2001. Stacked and migrated seismic data and images for lines 01AGSNY1, 01AGSNY2, 01AGSNY3 and 01AGSNY4.

Geoscience Australia
Goleby, B.R. ; Blewett, R.S. ; Champion, D.C. ; Jones, L.E.A. ; Korsch, R.J.
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://pid.geoscience.gov.au/dataset/ga/76520&rft.title=L154 North Yilgarn Seismic Survey, WA, 2001. Stacked and migrated seismic data and images for lines 01AGSNY1, 01AGSNY2, 01AGSNY3 and 01AGSNY4.&rft.identifier=https://pid.geoscience.gov.au/dataset/ga/76520&rft.publisher=Geoscience Australia&rft.description=Deep-seismic reflection data across the Eastern Goldfields Province, northeastern Yilgarn Craton, Western Australia have provided information on the regions crustal architecture and on several of its highly mineralised regions. The 2001 Northeastern Yilgarn Deep Seismic Rflection Survey data has imaged several prominent crustal scaled features, including an eastward thickening of the crust across the northeastern Yilgarn Craton, the subdivision of the crust into three broad layers, the presence of a prominent east dip to the majority of the reflections and the interpretation of three east-dipping crustal-penetrating shear zones. These three east-dipping shear zones are major structures that subdivide the region into four terranes. Raw data for this survey are available on request from clientservices@ga.gov.auMaintenance and Update Frequency: asNeededStatement: The granite-greenstone terrains of the Eastern Goldfields Province, Yilgarn Craton, contain numerous world-class gold deposits that are spatially associated with major structures. The three-dimensional geometry of these major structures reveals information on the size and architecture of the gold mineralising systems and the geodynamic processes responsible for their generation. Our current knowledge of the three-dimensional nature of the Eastern Goldfields Province is largely restricted to the Kalgoorlie region, where the collection of deep seismic profiles has allowed the development of detailed 3D geological maps (Goleby et al., 2002). Along with previous seismic interpretations (e.g. Drummond et al., 2000), these 3D maps define the geometry of the major structures and show that the greenstone succession is 5-7 km thick and controlled by interlinked crustal shears that compartmentalise the granitegreenstone succession into distinct domains. To follow up, a further deep seismic reflection survey was proposed to acquire additional seismic data within other areas of the Eastern Yilgarn Craton to examine the geometry of additional major structures and to enhance our understanding of the 3D structure over a wider area.&rft.creator=Goleby, B.R. &rft.creator=Blewett, R.S. &rft.creator=Champion, D.C. &rft.creator=Jones, L.E.A. &rft.creator=Korsch, R.J. &rft.date=2003&rft.coverage=westlimit=121; southlimit=-29; eastlimit=125; northlimit=-27.55; projection=GDA94 / MGA zone 51&rft.coverage=westlimit=121; southlimit=-29; eastlimit=125; northlimit=-27.55; projection=GDA94 / MGA zone 51&rft_rights=&rft_rights=Creative Commons Attribution 4.0 International Licence&rft_rights=CC-BY&rft_rights=4.0&rft_rights=http://creativecommons.org/licenses/&rft_rights=WWW:LINK-1.0-http--link&rft_rights=Australian Government Security ClassificationSystem&rft_rights=https://www.protectivesecurity.gov.au/Pages/default.aspx&rft_rights=WWW:LINK-1.0-http--link&rft_rights=Creative Commons Attribution 4.0 International Licence http://creativecommons.org/licenses/by/4.0&rft_subject=geoscientificInformation&rft_subject=Seismology and Seismic Exploration&rft_subject=EARTH SCIENCES&rft_subject=GEOPHYSICS&rft_subject=HVC_144637&rft_subject=Seismic Data seismic survey&rft_subject=seismic reflection&rft_subject=mineral exploration&rft_subject=geophysics&rft_subject=AU-WA&rft_subject=Published_External&rft.type=dataset&rft.language=English Access the data
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Creative Commons Attribution 4.0 International Licence
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WWW:LINK-1.0-http--link

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Brief description

Deep-seismic reflection data across the Eastern Goldfields Province, northeastern Yilgarn Craton, Western Australia have provided information on the regions crustal architecture and on several of its highly mineralised regions. The 2001 Northeastern Yilgarn Deep Seismic Rflection Survey data has imaged several prominent crustal scaled features, including an eastward thickening of the crust across the northeastern Yilgarn Craton, the subdivision of the crust into three broad layers, the presence of a prominent east dip to the majority of the reflections and the interpretation of three east-dipping crustal-penetrating shear zones. These three east-dipping shear zones are major structures that subdivide the region into four terranes. Raw data for this survey are available on request from clientservices@ga.gov.au

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Maintenance and Update Frequency: asNeeded
Statement: The granite-greenstone terrains of the Eastern Goldfields Province, Yilgarn Craton, contain numerous world-class gold deposits that are spatially associated with major structures. The three-dimensional geometry of these major structures reveals information on the size and architecture of the gold mineralising systems and the geodynamic processes responsible for their generation. Our current knowledge of the three-dimensional nature of the Eastern Goldfields Province is largely restricted to the Kalgoorlie region, where the collection of deep seismic profiles has allowed the development of detailed 3D geological maps (Goleby et al., 2002). Along with previous seismic interpretations (e.g. Drummond et al., 2000), these 3D maps define the geometry of the major structures and show that the greenstone succession is 5-7 km thick and controlled by interlinked crustal shears that compartmentalise the granitegreenstone succession into distinct domains. To follow up, a further deep seismic reflection survey was proposed to acquire additional seismic data within other areas of the Eastern Yilgarn Craton to examine the geometry of additional major structures and to enhance our understanding of the 3D structure over a wider area.

Issued: 2003

Data time period: 2001-07-28 to 2001-08-30

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125,-27.55 125,-29 121,-29 121,-27.55 125,-27.55

123,-28.275

text: westlimit=121; southlimit=-29; eastlimit=125; northlimit=-27.55; projection=GDA94 / MGA zone 51

Subjects
AU-WA | Earth Sciences | Geophysics | HVC_144637 | Published_External | Seismic Data seismic survey | Seismology and Seismic Exploration | geophysics | geoscientificInformation | mineral exploration | seismic reflection |

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Processed Seismic Package

uri : https://d28rz98at9flks.cloudfront.net/76520/L154_Processed_Seismic_Package.zip

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