Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/3898| DC Field | Value | Language |
|---|---|---|
| dc.contributor.authorall | Chiappini, M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia | en |
| dc.contributor.authorall | Ferraccioli, F.; Dipartimento Territorio e Risorse (DIP.TE.RIS), University of Genova, Genova, Italy | en |
| dc.contributor.authorall | Bozzo, E.; Dipartimento Territorio e Risorse (DIP.TE.RIS), University of Genova, Genova, Italy | en |
| dc.contributor.authorall | Damaske, D.; BGR, Hannover, Germany | en |
| dc.date.accessioned | 2008-06-19T10:03:03Z | en |
| dc.date.available | 2008-06-19T10:03:03Z | en |
| dc.date.issued | 2002 | en |
| dc.identifier.uri | http://hdl.handle.net/2122/3898 | en |
| dc.description.abstract | Magnetic observations over the area of the Transantarctic Mountains (TAM) and the Ross Sea have been compiled into a digital database that furnishes a new regional scale view of the magnetic anomaly crustal field in this key sector of the Antarctic continent. This compilation is a component of the ongoing IAGA/SCAR Antarctic Digital Magnetic Anomaly Project (ADMAP). The aeromagnetic surveys total 115000 line km, and are distributed across the Victoria Land sector of the TAM, the Ross Sea, and Marie Byrd Land. The magnetic campaigns were performed within the framework of the national and international Italian–German–US Antarctic research programs and conducted with differing specifications during nine field seasons from 1971 until 1997. Generally flight line spacing was less than 5 km while survey altitude varied from about 610 to 4000 m above sea level for barometric surveys and was equal to 305 m above topography for the single draped survey. Reprocessing included digitizing the old contour data, improved levelling by means of microlevelling in the frequency domain, and re-reduction to a common reference field based on the DGRF90 model. A multi-frequency grid procedure was then applied to obtain a coherent and merged total intensity magnetic anomaly map. The shaded relief map covers an area of approximately 380000 km2. This new compilation provides a regional image of the location and spatial extent of the Cenozoic alkaline magmatism related to the TAM–Ross Sea rift, Jurassic tholeiites, and crustal segments of the Early Palaeozoic magmatic arc. A linear, approximately 100-km wide and 600-km long Jurassic rift-like structure is newly identified. Magnetic fabric in the Ross Sea rift often matches seismically imaged Cenozoic fault arrays. Major buried onshore pre-rift fault zones, likely inherited from the Ross Orogen, are also delineated. These faults may have been reactivated as strike-slip belts that segmented the TAM into various crustal blocks. | en |
| dc.language.iso | English | en |
| dc.publisher.name | Elsevier | en |
| dc.relation.ispartof | Tectonophysics | en |
| dc.relation.ispartofseries | / 347 (2002) | en |
| dc.subject | Antarctica | en |
| dc.subject | Magnetic anomalies | en |
| dc.subject | Tectonic structures | en |
| dc.subject | Magmatism | en |
| dc.subject | Geomagnetism | en |
| dc.title | Regional compilation and analysis of aeromagnetic anomalies for the Transantarctic Mountains–Ross Sea sector of the Antarctic | en |
| dc.type | article | en |
| dc.description.status | Published | en |
| dc.type.QualityControl | Peer-reviewed | en |
| dc.description.pagenumber | 121-137 | en |
| dc.subject.INGV | 04. Solid Earth::04.05. Geomagnetism::04.05.04. Magnetic anomalies | en |
| dc.subject.INGV | 04. Solid Earth::04.05. Geomagnetism::04.05.05. Main geomagnetic field | en |
| dc.subject.INGV | 04. Solid Earth::04.07. Tectonophysics::04.07.99. General or miscellaneous | en |
| dc.subject.INGV | 05. General::05.01. Computational geophysics::05.01.01. Data processing | en |
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Constraining the Devonian to Triassic tectonic evolution of the Ross Sea sector. Terra Antartica 2 (1), 7 –21. | en |
| dc.description.journalType | JCR Journal | en |
| dc.description.fulltext | reserved | en |
| dc.contributor.author | Chiappini, M. | en |
| dc.contributor.author | Ferraccioli, F. | en |
| dc.contributor.author | Bozzo, E. | en |
| dc.contributor.author | Damaske, D. | en |
| dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia | en |
| dc.contributor.department | Dipartimento Territorio e Risorse (DIP.TE.RIS), University of Genova, Genova, Italy | en |
| dc.contributor.department | Dipartimento Territorio e Risorse (DIP.TE.RIS), University of Genova, Genova, Italy | en |
| dc.contributor.department | BGR, Hannover, Germany | en |
| item.openairetype | article | - |
| item.cerifentitytype | Publications | - |
| item.languageiso639-1 | en | - |
| item.grantfulltext | restricted | - |
| item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
| item.fulltext | With Fulltext | - |
| crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma2, Roma, Italia | - |
| crisitem.author.dept | DISTER, Università di Genova, Italy | - |
| crisitem.author.dept | DISTER, Università di Genova, Italy | - |
| crisitem.author.dept | BGR, Hannover, Germany | - |
| crisitem.author.orcid | 0000-0001-7433-9435 | - |
| crisitem.author.orcid | 0000-0002-9347-4736 | - |
| crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
| crisitem.classification.parent | 04. Solid Earth | - |
| crisitem.classification.parent | 04. Solid Earth | - |
| crisitem.classification.parent | 04. Solid Earth | - |
| crisitem.classification.parent | 05. General | - |
| crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
| Appears in Collections: | Article published / in press | |
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