TEST OF OPEN-SYSTEM FRACTIONAL CRYSTALLIZ ATION MODELS IN PERIODICALLY REPLENISHED OCEANIC MAGMA CHAMBERS - MURUROA (FRENCH-POLYNESIA) AND THE MID-ATLANTIC RIDGE (36-DEGREES-50'N)

Authors
CAROFF M MAURY RC
Citation
M. Caroff et Rc. Maury, TEST OF OPEN-SYSTEM FRACTIONAL CRYSTALLIZ ATION MODELS IN PERIODICALLY REPLENISHED OCEANIC MAGMA CHAMBERS - MURUROA (FRENCH-POLYNESIA) AND THE MID-ATLANTIC RIDGE (36-DEGREES-50'N), Comptes rendus de l'Academie des sciences. Serie 2, Mecanique, physique, chimie, sciences de l'univers, sciences de la terre, 317(2), 1993, pp. 211-217
Citations number
18
Categorie Soggetti
Multidisciplinary Sciences
Journal title
Comptes rendus de l'Academie des sciences. Serie 2, Mecanique, physique, chimie, sciences de l'univers, sciences de la terre → ACNP
ISSN journal
07644450
Volume
317
Issue
2
Year of publication
1993
Pages
211 - 217
Database
ISI
SICI code
0764-4450(1993)317:2<211:TOOFCA>2.0.ZU;2-1
Abstract
Two models of open-system fractional crystallization in a periodically replenished magma chamber have been tested on the Mururoa suite (Fren ch Polynesia) and on Mid-Atlantic Ridge basalts sampled at 36-degrees- 50'N, respectively. The analytical data from Mururoa are consistent wi th a model in which the residual liquid is expelled at the end of each cycle. The alternative model, in which the liquid is erupted at the b eginning of each cycle before fractional crystallization occurs, is pr eferred in the case of the Mid-Atlantic Ridge.