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Evidence for fluoride melts in Earth's mantle formed by liquid immiscibility
Stephan Klemme
Evidence for fluoride melts in Earth's mantle formed by liquid immiscibility
Geology (Boulder) (May 2004) 32 (5): 441-444
Evidence for fluoride melts in Earth's mantle formed by liquid immiscibility
Geology (Boulder) (May 2004) 32 (5): 441-444
Index Terms/Descriptors
- alkali basalts
- Australasia
- basalts
- Cenozoic
- chain silicates
- clinopyroxene
- fluoride ion
- fluorine
- geochemistry
- halogens
- igneous rocks
- immiscibility
- inclusions
- lava
- liquid phase
- mantle
- melts
- metasomatism
- nesosilicates
- New Zealand
- olivine group
- orthopyroxene
- orthosilicates
- Otago New Zealand
- outcrops
- pyroxene group
- silicate melts
- silicates
- South Island
- subduction zones
- Tertiary
- textures
- volcanic rocks
- xenoliths
Latitude & Longitude
Abstract
Hitherto unknown fluoride melts were found in metasomatized mantle xenoliths from New Zealand. These fluoride melts were only preserved in rock fragments that were carefully polished using nonhydrous polishing liquids. The fluoride melts were derived by liquid immiscibility from a precursor alkali silicate melt, and their geochemical signature suggests an origin within a subduction-zone setting.
ISSN: 0091-7613
EISSN: 1943-2682
Coden: GLGYBA
Serial Title: Geology (Boulder)
Serial Volume: 32
Serial Issue: 5
Title: Evidence for fluoride melts in Earth's mantle formed by liquid immiscibility
Author(s): Klemme, Stephan
Affiliation: Universitaet Heidelberg, Mineralogisches Institut,
Heidelberg,
Federal Republic of Germany
Pages: 441-444
Published: 200405
Text Language: English
Publisher: Geological Society of America (GSA),
Boulder, CO,
United States
References: 36
DOI:
10.1130/G20328.1
Accession Number: 2004-047845
Categories: Geochemistry of rocks, soils, and sedimentsIgneous and metamorphic petrology
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 1 table, sketch map
S46°40'60" - S44°16'00", E166°25'00" - E171°07'60"
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data supplied by the Geological Society of America, Boulder, CO, United States
Update Code: 200413
