Variscan sourcing of Westphalian (Pennsylvanian) sandstones in the Canonbie Coalfield, UK
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Morton, Andrew; Fanning, Christopher; Jones, Neil
Description
The zircon age spectrum in a sample from the Canonbie Bridge Sandstone Formation (Asturian) of southern Scotland contains two main peaks. One is Early Carboniferous in age (348-318 Ma), and corresponds to the age of igneous activity during the Variscan Orogeny. The other is of late Neoproterozoic to early Cambrian age (693-523 Ma), corresponding to the Cadomian. Together, these two groups comprise 70 % of the zircon population. The presence of these two peaks shows unequivocally that a...[Show more]
dc.contributor.author | Morton, Andrew | |
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dc.contributor.author | Fanning, Christopher | |
dc.contributor.author | Jones, Neil | |
dc.date.accessioned | 2015-12-10T22:16:42Z | |
dc.date.available | 2015-12-10T22:16:42Z | |
dc.identifier.issn | 0016-7568 | |
dc.identifier.uri | http://hdl.handle.net/1885/51066 | |
dc.description.abstract | The zircon age spectrum in a sample from the Canonbie Bridge Sandstone Formation (Asturian) of southern Scotland contains two main peaks. One is Early Carboniferous in age (348-318 Ma), and corresponds to the age of igneous activity during the Variscan Orogeny. The other is of late Neoproterozoic to early Cambrian age (693-523 Ma), corresponding to the Cadomian. Together, these two groups comprise 70 % of the zircon population. The presence of these two peaks shows unequivocally that a significant proportion of the sediment was derived from the Variscides of western or central Europe. The zircon population also contains a range of older Proterozoic zircons and a small Devonian component. These could have been derived from the Variscides, but it is possible that some were locally derived through recycling of northerly derived sandstones of Devonian-Carboniferous age. The zircon age data confirm previous suggestions of Variscide sourcing to the Canonbie area, made on the basis of petrographical, heavy mineral and palaeocurrent evidence, and extend the known northward distribution of Variscan-derived Westphalian sediment in the UK. | |
dc.publisher | Cambridge University Press | |
dc.source | Geological Magazine | |
dc.subject | Keywords: age determination; Carboniferous; Hercynian orogeny; petrography; Proterozoic; provenance; sandstone; Westphalian; zircon; United Kingdom Asturian; provenance; southern Scotland; Variscides; zircon | |
dc.title | Variscan sourcing of Westphalian (Pennsylvanian) sandstones in the Canonbie Coalfield, UK | |
dc.type | Journal article | |
local.description.notes | Imported from ARIES | |
local.identifier.citationvolume | 147 | |
dc.date.issued | 2010 | |
local.identifier.absfor | 040310 - Sedimentology | |
local.identifier.absfor | 040303 - Geochronology | |
local.identifier.absfor | 040311 - Stratigraphy (incl. Biostratigraphy and Sequence Stratigraphy) | |
local.identifier.ariespublication | u4027924xPUB216 | |
local.type.status | Published Version | |
local.contributor.affiliation | Morton, Andrew, HM Research Associates Ltd | |
local.contributor.affiliation | Fanning, Christopher, College of Physical and Mathematical Sciences, ANU | |
local.contributor.affiliation | Jones, Neil, British Geological Survey | |
local.bibliographicCitation.issue | 5 | |
local.bibliographicCitation.startpage | 718 | |
local.bibliographicCitation.lastpage | 727 | |
local.identifier.doi | 10.1017/S0016756810000014 | |
local.identifier.absseo | 970104 - Expanding Knowledge in the Earth Sciences | |
dc.date.updated | 2016-02-24T10:28:58Z | |
local.identifier.scopusID | 2-s2.0-78049461773 | |
local.identifier.thomsonID | 000281372700007 | |
Collections | ANU Research Publications |
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