Geochemical fingerprinting of west Cornish greenstones as an aid to provenancing neolithic axes

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Authors:Markham, M.; Floyd, P. A.
Author Affiliations:Primary:
Open University, Department of Earth Sciences, Milton Keynes, United Kingdom
Other:
Keele University, United Kingdom
Volume Title:Geoscience in South-west England
Volume Authors:Williams, Brian J., editor
Source:Proceedings of the Ussher Society, Vol.9(Part 3), p.218-223; Annual conference of the Ussher Society, Bideford, United Kingdom, Jan. 1998, edited by Brian J. Williams. Publisher: Ussher Society, Bristol, United Kingdom. ISSN: 0566-3954
Publication Date:1998
Note:In English. 15 refs.; illus., incl. 2 tables, geol. sketch map
Summary:Of the large number of Neolithic stone axes made of greenstone, some 392 (referred to as Group 1 axes) are believed to have been manufactured in west Cornwall around the Mount's Bay area. To aid the location of the greenstone that provided the materials for the axes, geochemical fingerprinting of the axes and greenstone outcrops was undertaken in the Mount's Bay area to both discriminate the greenstone localities and provide a basis for matching Group 1 axes. Non-destructive analysis of the axes was determined by a portable XRF Spectrometer unit that gave comparable results for selected greenstone samples to standard laboratory-based XRF techniques. Geochemical fingerprinting of the greenstone localities by portable XRF spectrometer provided a degree of discrimination between them, although preliminary data on the axes suggests that there is not a very strong correlation between axe composition and possible greenstone sites. Further work is required on other greenstone localities and axes as current data does not conclusively point to an origin in this area of west Cornwall.
Sections:Petrology
Subsections:General
Subjects:Archaeology; Artifacts; Cenozoic; Correlation; Geochemistry; Greenstone; Holocene; Human activity; Metamorphic rocks; Neolithic; Quaternary; Schists; Spectra; Stone Age; X-ray fluorescence spectra; Cornwall England; England; Europe; Great Britain; South-West England; United Kingdom; Western Europe; Mount's Bay; Western Cornwall
Coordinates:N500500 N500500 W0054500 W0054500
Abstract Numbers:99M/3089
Record ID:1999047757
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute.
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072 7 |a 02C  |2 georeft 
100 1 |a Markham, M.  |e analytic author  |u Open University, Department of Earth Sciences, Milton Keynes 
245 1 0 |a Geochemical fingerprinting of west Cornish greenstones as an aid to provenancing neolithic axes 
300 |a p. 218-223 
500 |a In English. 15 refs. 
500 |a Abstract number: 99M/3089 
500 |a Category Section: Petrology 
500 |a Category Subsection: General 
500 |a Affiliation: Open University, Department of Earth Sciences; Milton Keynes; GBR; United Kingdom 
500 |a Affiliation: Keele University; ; GBR; United Kingdom 
500 |a Key title: Proceedings of the Ussher Society 
500 |a Source note: Proceedings of the Ussher Society, Vol.9(Part 3), p.218-223; Annual conference of the Ussher Society, Bideford, United Kingdom, Jan. 1998, edited by Brian J. Williams. Publisher: Ussher Society, Bristol, United Kingdom. ISSN: 0566-3954 
500 |a Publication type: conference paper or compendium article 
504 |b 15 refs. 
510 3 |a GeoRef, Copyright 2019 American Geosciences Institute. 
520 |a Of the large number of Neolithic stone axes made of greenstone, some 392 (referred to as Group 1 axes) are believed to have been manufactured in west Cornwall around the Mount's Bay area. To aid the location of the greenstone that provided the materials for the axes, geochemical fingerprinting of the axes and greenstone outcrops was undertaken in the Mount's Bay area to both discriminate the greenstone localities and provide a basis for matching Group 1 axes. Non-destructive analysis of the axes was determined by a portable XRF Spectrometer unit that gave comparable results for selected greenstone samples to standard laboratory-based XRF techniques. Geochemical fingerprinting of the greenstone localities by portable XRF spectrometer provided a degree of discrimination between them, although preliminary data on the axes suggests that there is not a very strong correlation between axe composition and possible greenstone sites. Further work is required on other greenstone localities and axes as current data does not conclusively point to an origin in this area of west Cornwall. 
650 7 |a Archaeology  |2 georeft 
650 7 |a Artifacts  |2 georeft 
650 7 |a Cenozoic  |2 georeft 
650 7 |a Correlation  |2 georeft 
650 7 |a Geochemistry  |2 georeft 
650 7 |a Greenstone  |2 georeft 
650 7 |a Holocene  |2 georeft 
650 7 |a Human activity  |2 georeft 
650 7 |a Metamorphic rocks  |2 georeft 
650 7 |a Neolithic  |2 georeft 
650 7 |a Quaternary  |2 georeft 
650 7 |a Schists  |2 georeft 
650 7 |a Spectra  |2 georeft 
650 7 |a Stone Age  |2 georeft 
650 7 |a X-ray fluorescence spectra  |2 georeft 
651 7 |a Cornwall England  |2 georeft 
651 7 |a England  |2 georeft 
651 7 |a Europe  |2 georeft 
651 7 |a Great Britain  |2 georeft 
651 7 |a South-West England  |2 georeft 
651 7 |a United Kingdom  |2 georeft 
651 7 |a Western Europe  |2 georeft 
653 |a Mount's Bay 
653 |a Western Cornwall 
700 1 |a Floyd, P. A.,  |e analytic author 
711 2 |a Annual conference of the Ussher Society  |d (1998 :  |c Bideford, United Kingdom)  
773 0 |a Williams, Brian J., editor  |t Geoscience in South-west England  |d Bristol : Ussher Society, 1998  |k Proceedings of the Ussher Society  |x 0566-3954  |y PRUSAW  |n Proceedings of the Ussher Society, Vol.9(Part 3), p.218-223; Annual conference of the Ussher Society, Bideford, United Kingdom, Jan. 1998, edited by Brian J. Williams. Publisher: Ussher Society, Bristol, United Kingdom. ISSN: 0566-3954 Publication type: conference paper or compendium article  |g Vol. 9, Part 3  |h illus., incl. 2 tables, geol. sketch map