Mapping of the relationship among country rock, non-explosive intrusive rocks and deposits of explosive eruptions of the Mawson Formation in the Allan Hills as an indication of phreatomagmatic eruption processes

Federal Geographic Data Committee (FGDC) Metadata:


Identification_Information:
Citation:
Citation_Information:
Originator: Unknown
Publication_Date: Unknown
Title: Mapping of the relationship among country rock, non-explosive intrusive rocks and deposits of explosive eruptions of the Mawson Formation in the Allan Hills as an indication of phreatomagmatic eruption processes
Description:
Abstract:
Phreatomagmatic eruptions are common and dangerous worldwide. How large explosive event complexes evolve during eruptions, the processes that drive the evolution and what is in the rock record was studied in the Mawson Formation in Allan Hills, Victoria Land. The Mawson Formation is a unit of fragmented volcanic rock comprising debris from the Beacon Supergroup mixed with fragments from Ferrar Group magmas. It represents part of a regional province dominated by debris from eruptions with extensive exposure. Standard geological mapping techniques, observations, photographs and sketches were used to map the relationship among country rock, non-explosive intrusive rocks and deposits of explosive eruptions preserved in both volcanic craters and areas surrounding the craters. One aspect of the study area revealed an extensive zone of broken country rock and associated chaotic deposits that are inferred to represent extensive landsliding toward the main outcrop area of the Mawson Formation on Allan Hills. This area was investigated in detail.
Purpose:
Not Available
Supplemental_Information:
REFERENCE: Lockett, G. 2003. Fragmentation along the contact of a large phreatomagmatic vent complex with adjacent country rock, Allan Hills, Antarctica. MSc Thesis, Department of Geology, University of Otago, Dunedin, New Zealand. Lockett, G. And White, J.D.L. 2007 online. Relationships among country rock, deposits of a volcanically triggered debris avalanche, and mafic volcaniclastic deposits of the Mawson Formation, Ferrar LIP, Mt Watters, Allan Hlls, Antarctica. In: Physical Volcanology of Large Igneous Provinces. Skilling, I.P. and White, J.D.L. (eds.) Journal of Volcanology and Geothermal Research.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 20011128
Ending_Date: 20011222
Currentness_Reference:Unknown
Status:
Progress: Complete
Maintenance_and_Update_Frequency: As needed
Spatial_Domain:
Description_of_Geographic_Extent:
Bounding_Coordinates:
West_Bounding_Coordinate: 159.65
East_Bounding_Coordinate: 159.65
North_Bounding_Coordinate: -78.7333
South_Bounding_Coordinate: -78.7333
Keywords:
Theme:
Theme_Keyword_Thesaurus: GCMD SCIENCE PARAMETERS
Theme_Keyword_Thesaurus: GCMD PLATFORM
Theme_Keyword_Thesaurus: ISO TOPIC CATEGORY
Theme_Keyword_Thesaurus: DATA SET LANGUAGE
Theme_Keyword: EARTH SCIENCE > PALEOCLIMATE > LAND RECORDS > VOLCANIC DEPOSITS
Theme_Keyword: EARTH SCIENCE > SOLID EARTH > GEOMAGNETISM > PALEOMAGNETISM
Theme_Keyword: EARTH SCIENCE > SOLID EARTH > ROCKS/MINERALS/CRYSTALS > IGNEOUS ROCKS
Theme_Keyword: EARTH SCIENCE > SOLID EARTH > TECTONICS > VOLCANIC ACTIVITY > ERUPTION DYNAMICS
Theme_Keyword: EARTH SCIENCE > SOLID EARTH > TECTONICS > VOLCANIC ACTIVITY > ERUPTION DYNAMICS > LAVA COMPOSITION/TEXTURE
Theme_Keyword: EARTH SCIENCE > SOLID EARTH > TECTONICS > VOLCANIC ACTIVITY > ERUPTION DYNAMICS > MAGMA COMPOSITION/TEXTURE
Theme_Keyword: EARTH SCIENCE > SOLID EARTH > TECTONICS > PLATE TECTONICS
Theme_Keyword: GROUND-BASED OBSERVATIONS
Theme_Keyword: GEOSCIENTIFIC INFORMATION
Theme_Keyword: ENGLISH
Place:
Place_Keyword_Thesaurus: GCMD
Place_Keyword: CONTINENT > ANTARCTICA > COOMBS HILLS
Place_Keyword: CONTINENT > ANTARCTICA
Place_Keyword: GEOGRAPHIC REGION > POLAR
Access_Constraints: Not Available
Use_Constraints:
Not Available
Point_of_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: JAMES D.L WHITE
Contact_Person_Primary:
Contact_Person: GILLIAN LOCKETT
Contact_Position: INVESTIGATOR
Contact_Position: INVESTIGATOR
Contact_Address:
Address_Type: Mailing and Physical Address
Address: Geology department
Address: Universoty of Otago
Address: PO Box 56
Address: Dunedin
Country: NEW ZEALAND
Contact_Address:
Address_Type: Mailing and Physical Address
Contact_Voice_Telephone: +64 3 479 7519
Contact_Facsimile_Telephone: +64 4 479 7527
Contact_Electronic_Mail_Address: james.white@stonebow.otago.ac.nz
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Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report:
Any remaining geological samples are lodged in the geology department, University of Otago. All data is in the MSc thesis. Some photographs and field notebooks may reside with the investigator.
Logical_Consistency_Report:
Not Available
Completeness_Report:
Not Available
Lineage:
Process_Step:
Process_Description:
Not Available
Process_Date: Unknown
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Spatial_Reference_Information:
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Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: NZ/NZAI/ANZ > Antarctica New Zealand, New Zealand Antarctic Institute, New Zealand
Contact_Person: SHULAMIT GORDON
Contact_Position: DATA CENTER CONTACT
Contact_Address:
Address_Type: Mailing and Physical Address
Address: Antarctica New Zealand
Address: Private Bag 4745
City: Christchurch
Country: New Zealand
Contact_Voice_Telephone: +64 3 358 0200
Contact_Facsimile_Telephone: +64 3 358 0211
Contact_Electronic_Mail_Address: s.gordon@antarcticanz.govt.nz
Resource_Description: K061_2001_2002_NZ_1
Distribution_Liability:
Not Available
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: Not Available
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
http://www.antarcticanz.govt.nz/
Access_Instructions:
DATA CENTER URL
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
http://pet.gns.cri.nz/result_list.jsp?Type=Ext&Col...
Access_Instructions:
Samples stores with the Institute of Geological and Nuclear Sciences, New Zealand
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
http://www.otago.ac.nz/geology/people/students/loc...
Access_Instructions:
Information about the investigators study
Fees: Not Available
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Metadata_Reference_Information:
Metadata_Date: 20051011
Metadata_Review_Date: 20090213
Metadata_Contact:
Contact_Information:
Contact_Person_Primary:
Contact_Person: CEISHA POIROT
Contact_Person_Primary:
Contact_Person: SHULAMIT GORDON
Contact_Position: DIF AUTHOR
Contact_Position: DIF AUTHOR
Contact_Address:
Address_Type: Mailing and Physical Address
Address: Antarctica New Zealand
Address: Private Bag 4745
City: Christchurch
Country: New Zealand
Contact_Address:
Address_Type: Mailing and Physical Address
Address: Antarctica New Zealand
Address: Private Bag 4745
City: Christchurch
Country: New Zealand
Contact_Voice_Telephone: +64 3 358 0200
Contact_Voice_Telephone: +64 3 358 0200
Contact_Facsimile_Telephone: +64 3 358 0211
Contact_Facsimile_Telephone: +64 3 358 0211
Contact_Electronic_Mail_Address: c.poirot@antarcticanz.govt.nz
Contact_Electronic_Mail_Address: s.gordon@antarcticanz.govt.nz
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time
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