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Geomorphology and tectonics of the Dorrigo Plateau, N.S.W.

 

作者: C. D. Ollier,  

 

期刊: Journal of the Geological Society of Australia  （Taylor Available online 1982）
卷期: Volume 29, issue 3-4  

页码: 431-435

 

ISSN:0016-7614

 

年代: 1982

 

DOI:10.1080/00167618208729225

 

出版商: Taylor & Francis Group

 

关键词: Dorrigo Plateau;Ebor Volcano;basalt;uplift;peneplain;Great Escarpment;New England N.S.W;geomorphology;tectonics

 

数据来源: Taylor

 

摘要:

The Dorrigo Plateau is covered by basalt, which is a remnant of the 18 Ma old Ebor Volcano. The centre of this volcano is an intrusion in the Bellinger Valley. The volcano was erupted on a palaeoplain of moderate relief. Subsequent uplift and tilting led to erosion of the Nambucca Beds, together with much of the volcano, and creation of a major escarpment, part of the Great Escarpment of eastern Australia. In this area the Great Escarpment is younger than 18 Ma.

 

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