The eruptive history and depositional environment of the Devonian extrusive rocks, Eden, New South Wales
作者： J. Steiner
DOI: 10.1080/14400957208527887
关键词: Sequence (geology) 、 Graben 、 Paleontology 、 Rhyolite 、 Geology 、 Devonian 、 Sedimentary depositional environment 、 Bay 、 Fault (geology) 、 Ordovician
摘要: Abstract The Devonian, terrestrial Eden Rhyolite attains a thickness of 156 m and in stratigraphic order consists the following units: Flow Two followed One rapidly enough to form one cooling unit these two flows represent bulk sequence. sources acidic eruptions were probably north-south trending fissures formed an elongated, foredeep front orogen toward west. Post-Eden deformation is thought have been restricted faulting resulting development asymmetrical graben which cuts across orogenic trend underlying (?) Ordovician Mallacoota Beds depositional Rhyolite. southern, east-west west-northwest boundary fault this (the Twofold Bay Fault) delineated by contact between Devonian rocks near Eden. Fault may be termination Berridale Wrench Fault. of...
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