TY - JOUR
AU - M. J. O'HARA, N. FRY
AB - This is a study of the effect of solidifying a magma body by partial crystallization of a series of small packets of liquid, mixing the residual liquid into the main body of liquid before repeating the process. It confirms the major conclusions of earlier workers and demonstrates that the dominant geochemical effect of the small packet process is to sustain the relative concentrations of the compatible elements in the residual liquids from partial crystallization. Formal introduction of integrated partial crystallization ivithin the small packets of liquid enhances these effects. Incorporation of such a crystallization model into a refilled, tapped and fractionated magma body enhances the effects still more. The process affords a way to explain the 'anomalously' high compatible element concentrations in erupted liquids which have nevertheless bun subject to substantial lowpressure crystallization. It may also have a bearing on the ratios of extremely compatible elements whose concentrations in the upper mantle are high and relatively undifferentiated relative to chondrites. Key words nickel platinum group elements in situ crystallization boundary layer integrated crystallization © Oxford University Press « Previous | Next Article » Table of Contents This Article J. Petrology (1996) 37 (4): 891-925. doi: 10.1093/petrology/37.4.891 » Abstract Free Full Text (PDF) Free Classifications Article Services Article metrics Alert me when cited Alert me if corrected Find similar articles Similar articles in Web of Science Add to my archive Download citation Request Permissions Citing Articles Load citing article information Citing articles via CrossRef Citing articles via Scopus Citing articles via Web of Science Citing articles via Google Scholar Google Scholar Articles by O'HARA, M. J. Articles by FRY, N. 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TI - Geochemical Effects of Small Packet Crystallization in Large Magma Chambers—Further Resolution of the Highly Compatible Element Paradox
JF - Journal of Petrology
DO - 10.1093/petrology/37.4.891
DA - 1996-08-01
UR - https://www.deepdyve.com/lp/oxford-university-press/geochemical-effects-of-small-packet-crystallization-in-large-magma-d1d6D0KQsl
SP - 891
VL - 37
IS - 4
DP - DeepDyve
ER -