Borehole optical stratigraphy and neutron-scattering density measurements at Summit, Greenland

Hawley, Robert L.; Morris, Elizabeth M.. 2006 Borehole optical stratigraphy and neutron-scattering density measurements at Summit, Greenland. Journal of Glaciology, 52 (179). 491-496. https://doi.org/10.3189/172756506781828368

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Abstract/Summary

We have made side-by-side measurements in several boreholes at Summit, Greenland, using borehole optical stratigraphy (BOS) and neutron-scattering density logging techniques. The BOS logs show strong positive correlation at shallow depths with neutron-scattering logs taken in the same borehole. This supports the hypothesis that BOS detects changes in density. The positive correlation between returned brightness and density decreases with depth and finally becomes negative. We conclude this inversion of correlation is related to changes in densification regime from grain-boundary sliding to pressure sintering.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.3189/172756506781828368
Programmes:	BAS Programmes > Other Special Projects
ISSN:	0022-1430
NORA Subject Terms:	Glaciology
Date made live:	06 Feb 2009 12:14 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/2542

Item Type:

Publication - Article

Digital Object Identifier (DOI):

https://doi.org/10.3189/172756506781828368

Programmes:

BAS Programmes > Other Special Projects

ISSN:

0022-1430

NORA Subject Terms:

Glaciology

Date made live:

06 Feb 2009 12:14 +0 (UTC)