Data

Paleozoic alkaline and related igneous rocks of Australia GIS

Geoscience Australia
Bryant, C. ; Highet, L.
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/147891&rft.title=Paleozoic alkaline and related igneous rocks of Australia GIS&rft.identifier=https://pid.geoscience.gov.au/dataset/ga/147891&rft.publisher=Commonwealth of Australia (Geoscience Australia)&rft.description=Alkaline and related rocks are a relatively rare class of igneous rocks worldwide. Alkaline rocks encompass a wide range of rock types and are mineralogically and geochemically diverse. They are typically though to have been derived by generally small to very small degrees of partial melting of a wide range of mantle compositions. As such these rocks have the potential to convey considerable information on the evolution of the Earth’s mantle (asthenosphere and lithosphere), particularly the role of metasomatism which may have been important in their generation or to which such rocks may themselves have contributed. Such rocks, by their unique compositions and or enriched source protoliths, also have considerable metallogenic potential, e.g., diamonds, Th, U, Zr, Hf, Nb, Ta, REEs. It is evident that the geographic occurrences of many of these rock types are also important, and may relate to presence of old cratons, craton margins or major lithospheric breaks. Finally, many alkaline rocks also carry with them mantle xenoliths providing a snapshot of the lithospheric mantle composition at the time of their emplacement.Accordingly, although Alkaline and related rocks comprise only a volumetrically minor component of the geology of Australia, they are of considerable importance to studies of lithospheric composition, evolution and architecture and to helping constrain the temporal evolution of the lithosphere, as well as more directly to metallogenesis and mineralisation.This GIS product is part of an ongoing compilation of the distribution and geology of alkaline and related rocks throughout Australia. The accompanying report document alkaline and related rocks of Paleozoic age.Maintenance and Update Frequency: asNeededStatement: This GIS project contains spatial representations of alkaline and related rocks of Paleozoic age throughout Australia.&rft.creator=Bryant, C. &rft.creator=Highet, L. &rft.date=2023&rft.coverage=westlimit=112; southlimit=-44; eastlimit=154; northlimit=-9; projection=Geocentric Datum of Australia 1994 / geodetic (EPSG: 6283)&rft.coverage=westlimit=112; southlimit=-44; eastlimit=154; northlimit=-9; projection=Geocentric Datum of Australia 1994 / geodetic (EPSG: 6283)&rft_rights=Creative Commons Attribution 4.0 International Licence https://creativecommons.org/licenses/by/4.0/&rft_rights=© Commonwealth of Australia (Geoscience Australia) 2023&rft_rights=Australian Government Security Classification System https://www.protectivesecurity.gov.au/Pages/default.aspx&rft_subject=geoscientificInformation&rft_subject=EFTF – Exploring for the Future&rft_subject=Australia’s Resources Framework&rft_subject=Australia&rft_subject=Alkaline rocks&rft_subject=Igneous rocks&rft_subject=Alkaline Rocks Atlas of Australia&rft_subject=Earth Sciences&rft_subject=Published_External&rft.type=dataset&rft.language=English Access the data
Cite Saved to MyRDA Save to MyRDA

Licence & Rights:

Open Licence view details
CC-BY

Creative Commons Attribution 4.0 International Licence
https://creativecommons.org/licenses/by/4.0/

© Commonwealth of Australia (Geoscience Australia) 2023

Australian Government Security Classification System
https://www.protectivesecurity.gov.au/Pages/default.aspx

Access:

Open

Contact Information



Full description

Alkaline and related rocks are a relatively rare class of igneous rocks worldwide. Alkaline rocks encompass a wide range of rock types and are mineralogically and geochemically diverse. They are typically though to have been derived by generally small to very small degrees of partial melting of a wide range of mantle compositions. As such these rocks have the potential to convey considerable information on the evolution of the Earth’s mantle (asthenosphere and lithosphere), particularly the role of metasomatism which may have been important in their generation or to which such rocks may themselves have contributed. Such rocks, by their unique compositions and or enriched source protoliths, also have considerable metallogenic potential, e.g., diamonds, Th, U, Zr, Hf, Nb, Ta, REEs. It is evident that the geographic occurrences of many of these rock types are also important, and may relate to presence of old cratons, craton margins or major lithospheric breaks. Finally, many alkaline rocks also carry with them mantle xenoliths providing a snapshot of the lithospheric mantle composition at the time of their emplacement.

Accordingly, although Alkaline and related rocks comprise only a volumetrically minor component of the geology of Australia, they are of considerable importance to studies of lithospheric composition, evolution and architecture and to helping constrain the temporal evolution of the lithosphere, as well as more directly to metallogenesis and mineralisation.

This GIS product is part of an ongoing compilation of the distribution and geology of alkaline and related rocks throughout Australia. The accompanying report document alkaline and related rocks of Paleozoic age.

Lineage

Maintenance and Update Frequency: asNeeded
Statement:
This GIS project contains spatial representations of alkaline and related rocks of Paleozoic age throughout Australia.

Notes

Purpose
This GIS project contains spatial representations of alkaline and related rocks of Paleozoic age throughout Australia.

Created: 16 07 2023

Issued: 07 08 2023

This dataset is part of a larger collection

Click to explore relationships graph
Help

Related Services

154,-9 154,-44 112,-44 112,-9 154,-9

133,-26.5

text: westlimit=112; southlimit=-44; eastlimit=154; northlimit=-9; projection=Geocentric Datum of Australia 1994 / geodetic (EPSG: 6283)

Subjects
Alkaline Rocks Atlas of Australia | Alkaline rocks | Australia | Australia’s Resources Framework | EFTF – Exploring for the Future | Earth Sciences | Igneous rocks | Published_External | geoscientificInformation |

User Contributed Tags    

Login to tag this record with meaningful keywords to make it easier to discover

Other Information
Download Metadata Statement (pdf) [0.9 MB]

uri : https://d28rz98at9flks.cloudfront.net/147891/147891_00_0.pdf

Download Data Package (gdb) [5.0 MB]

uri : https://d28rz98at9flks.cloudfront.net/147891/147891_01_0.zip

Download Data Package (shapefile) [9.6 MB]

uri : https://d28rz98at9flks.cloudfront.net/147891/147891_02_0.zip

Download Data Package (mapinfo) [6.9 MB]

uri : https://d28rz98at9flks.cloudfront.net/147891/147891_03_0.zip

Paleozoic Alkaline And Related Igneous Rocks Of Australia WMS

uri : http://services.ga.gov.au/gis/services/PaleozoicAlkalineAndRelatedIgneousRocksOfAustralia/MapServer/WMSServer

Paleozoic Alkaline And Related Igneous Rocks Of Australia WFS

uri : http://services.ga.gov.au/gis/services/PaleozoicAlkalineAndRelatedIgneousRocksOfAustralia/MapServer/WFSServer

Paleozoic Alkaline And Related Igneous Rocks Of Australia Map Server

uri : http://services.ga.gov.au/gis/rest/services/PaleozoicAlkalineAndRelatedIgneousRocksOfAustralia/MapServer

Paleozoic alkaline and related igneous rocks of Australia

local : 147890

Paleozoic Alkaline And Related Igneous Rocks Of Australia MapServer

local : 149081

Paleozoic Alkaline And Related Igneous Rocks Of Australia WMS

local : 149082

Paleozoic Alkaline And Related Igneous Rocks Of Australia WFS

local : 149083

Identifiers
  • global : 5b490317-7cfc-45de-8597-003a8f89dddd
  • Local : pid.geoscience.gov.au/dataset/ga/147891
  • DOI : 10.26186/147891