Small-scale convection at the interface between stratified layers of mafic and silicic magma, Campbell Ridges, NW Palmer Land, Antarctic Peninsula: Syn-magmatic way-up criteria

Vaughan, A.P.M.; Thistlewood, L.; Millar, I.L.. 1995 Small-scale convection at the interface between stratified layers of mafic and silicic magma, Campbell Ridges, NW Palmer Land, Antarctic Peninsula: Syn-magmatic way-up criteria. Journal of Structural Geology, 17 (7). 1071-1075. https://doi.org/10.1016/0191-8141(95)00010-B

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Official URL: http://dx.doi.org/10.1016/0191-8141(95)00010-B

Abstract/Summary

Experimental data suggest that some igneous mafic inclusions are formed at the interface between underlying mafic magma and more silicic magma in a reservoir by a process of gas exsolution and vesiculation. We report cm-scale plume-like structures exposed over several m2 at a candidate interface in a large composite pluton from NW Palmer Land, Antarctic Peninsula and suggest that, as well as representing ‘frozen’ mafic inclusion formation, plume-like structures of this type can be used as way-up criteria and may be of particular value in the interpretation of palaeomagnetic data.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.1016/0191-8141(95)00010-B
Programmes:	BAS Programmes > Pre 2000 programme
ISSN:	01918141
Date made live:	17 Jan 2017 08:35 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/515879

Item Type:

Publication - Article

Digital Object Identifier (DOI):

https://doi.org/10.1016/0191-8141(95)00010-B

Programmes:

BAS Programmes > Pre 2000 programme

ISSN:

01918141

Date made live:

17 Jan 2017 08:35 +0 (UTC)

URI:

https://nora.nerc.ac.uk/id/eprint/515879