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A deep drillcore from the Morokweng impact structure, South Africa: petrography, geochemistry, and constraints on the crater size

Reimold, W U; Armstrong, Richard; Koeberl, Christian

Description

The Morokweng impact structure in South Africa was formed 145 Ma ago, at the time of the minor mass extinction that marks the Jurassic-Cretaceous boundary. Previous size estimates for the Morokweng impact structure ranged between 70 and 340 km, and those

dc.contributor.authorReimold, W U
dc.contributor.authorArmstrong, Richard
dc.contributor.authorKoeberl, Christian
dc.date.accessioned2015-12-13T22:22:19Z
dc.identifier.issn0012-821X
dc.identifier.urihttp://hdl.handle.net/1885/72201
dc.description.abstractThe Morokweng impact structure in South Africa was formed 145 Ma ago, at the time of the minor mass extinction that marks the Jurassic-Cretaceous boundary. Previous size estimates for the Morokweng impact structure ranged between 70 and 340 km, and those
dc.publisherElsevier
dc.sourceEarth and Planetary Science Letters
dc.subjectKeywords: crater; impact structure; Jurassic-Cretaceous boundary; mass extinction; petrography; SHRIMP dating; size; South Africa Absolute ages; Catastrophes; Cretaceous; Granophyre; Impact craters; Impact features; Jurassic; SHRIMP data
dc.titleA deep drillcore from the Morokweng impact structure, South Africa: petrography, geochemistry, and constraints on the crater size
dc.typeJournal article
local.description.notesImported from ARIES
local.description.refereedYes
local.identifier.citationvolume201
dc.date.issued2002
local.identifier.absfor040304 - Igneous and Metamorphic Petrology
local.identifier.absfor040202 - Inorganic Geochemistry
local.identifier.ariespublicationMigratedxPub3113
local.type.statusPublished Version
local.contributor.affiliationReimold, W U, Humboldt University of Berlin
local.contributor.affiliationArmstrong, Richard, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationKoeberl, Christian, University of Vienna
local.description.embargo2037-12-31
local.bibliographicCitation.startpage221
local.bibliographicCitation.lastpage232
local.identifier.doi10.1016/S0012-821X(02)00658-1
dc.date.updated2015-12-11T07:55:18Z
local.identifier.scopusID2-s2.0-0036324441
CollectionsANU Research Publications

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