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By:
Mueller, Robert Francis, 1923-
Olsen, Edward John, 1927-

Publication info:
[Chicago] :Field Museum of Natural History,1969.

Contributing Library:
University of Illinois Urbana Champaign

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LEADER

• Record Status: c
• Type of record: a
• Bibliographic level: m
• Type of control:
• Undefined: a
• Encoding level:
• Descriptive cataloging form:
• Linked record requirement:

CONTROL FIELD

• Control Field 001: 5386089

CONTROL FIELD

• Control Field 005: 20071019135507.0

CONTROL FIELD

• Control Field 008: 700204s1969 ilua b 000 0 eng

LIBRARY OF CONGRESS CONTROL NUMBER

• LC control number: 78106197

SYSTEM CONTROL NUMBER

• System control number: (OCoLC)ocm00053970

CATALOGING SOURCE

• Original cataloging agency: DLC
• Transcribing agency: DLC
• Modifying agency: BTCTA

LIBRARY OF CONGRESS CALL NUMBER

• Classification number: QE1
• Item number: .F4 vol. 16, no. 15

DEWEY DECIMAL CALL NUMBER

• Classification number: 550/.8 s

MAIN ENTRY--PERSONAL NAME

• Personal name: Mueller, Robert Francis,
• Dates associated with a name: 1923-

TITLE STATEMENT

• Title: Mineral assemblages and the chemical history of chondritic meteorites /
• Remainder of title page transcription/statement of responsibility: [by] Robert F. Mueller -- and Edward J. Olsen --.

PUBLICATION, DISTRIBUTION, ETC. (IMPRINT)

• Place of publication, distribution, etc.: [Chicago] :
• Name of publisher, distributor, etc.: Field Museum of Natural History,
• Date of publication, distribution, etc.: 1969.

PHYSICAL DESCRIPTION

• Extent: p. 377-410 :
• Other physical details: 8 ill. ;
• Dimensions: 24 cm.

SERIES STATEMENT/ADDED ENTRY--TITLE

• Title: Fieldiana.
• Name of part/section of a work: Geology ;
• Volume number/sequential designation: v. 16, no. 15

SERIES STATEMENT

• Series statement: Field Museum of Natural History. [Publication]
• Volume number/sequential designation: no. 1084

GENERAL NOTE

• General note: Caption title.

GENERAL NOTE

• General note: "December 19, 1969."

BIBLIOGRAPHY, ETC. NOTE

• Bibliography, etc. note: Includes bibliographical references (p. 408-410).

SUMMARY, ETC.

• Summary, etc.: An attempt has been made to correlate the mineralogical and bulk chemical characteristics and the textural and structural features of chondritic meteorites. -- The thermodynamic basis for the observed mineral assemblages of the ordinary chondrites is discussed in some detail with respect to the temperature of crystallization, state of oxidation and the liquidus relations. The approximate oxidation fields of the ordinarey, enstatite and carbonaceous chondrites are delineated and compared with a gas of solar composition. It is shown that the field of the ordinary chondrites is quite well defined and that these chondrites are more oxidized than the solar gas so that direct condensation from this medium is excluded. The evidence for initial high temperature liquidus crystallization for most ordinary chondrites is discussed, and it is concluded that the chondrites of uniform composition probably represent rapid crystallization through liquidus temperatures, with perhaps some annealing to a near equilibrium distribution of Mg and Fe 2+ just below the liquidus. The nonuniform, disequilibrium chondrites appear to represent, in part, a lower rate of cooling and crystallization and show evidence that they originated under conditions of varying oxidation. -- The observed textural features of the metal grains of most ordinary chondrites with the coexisting silicates are interpreted as having resulted, not from any magmatic or mechanical processes but from transport and deposition from the vapor phase. This accounts well for nearly all the observed textural and structural features. -- The analytical relations are derived relating the normative olivine contents of the chondrites to the ratio of oxidized to reduced iron and consequently to the degree of oxidation. This derived relation is then compared with that observed for 43 chondrites and a good correspondence is found. This again tends to support the approximate validity of Prior's rules when account is taken of analytical errors and a certain amount of variation in the bulk composition. -- A critique is also presented of certain views on the origin of chondrites which depend primarily on mineral chemistry and little agreement with these is found.

ISSUING BODY NOTE

• Issuing body note: Fieldiana series has been published as Geological Series by Field Columbian Museum (1895-1909) and Field Museum of Natural History (1909-1943), and as Fieldiana: Geology by Chicago Natural History Museum (1945-1966) and Field Museum of Natural History (1966-).

SUBJECT ADDED ENTRY--TOPICAL TERM

• Topical term or geographic name as entry element: Meteorites.

SUBJECT ADDED ENTRY--TOPICAL TERM

• Topical term or geographic name as entry element: Chondrites (Meteorites)

ADDED ENTRY--PERSONAL NAME

• Personal name: Olsen, Edward John,
• Dates associated with a name: 1927-
• Relator term: joint author.

SERIES ADDED ENTRY--UNIFORM TITLE

• Uniform title: Publication (Field Museum of Natural History) ;
• Volume number/sequential designation: 1084.

DATA FIELD 938

• Code a: Baker and Taylor
• Code b: BTCP
• Code n: 78106197 //r892

DATA FIELD 994

• Code a: C0
• Code b: UIU