Show simple item record

dc.creator
dc.date.accessioned2024-02-12T18:11:26Z
dc.date.available2024-02-12T18:11:26Z
dc.date.issuedn.d.
dc.identifier.urihttps://repository.tcu.edu/handle/116099117/63196
dc.descriptionDescribes appearance of meteorite for petrography, shock classification, modes, and microprobe analyses
dc.relationOscar Monnig Papers (MS 124)
dc.rightsPrior written permission from TCU Special Collections required to use any document or photograph.
dc.sourceSeries III, Box 06, Forestburg, Montague Co., TX folder
dc.subjectMeteorite
dc.subjectForestburg meteorite
dc.subjectForestburg (Tex.)
dc.titleClassification of Ordinary Chondrite Paperwork for Forestburg (a), Sample No. M149.1
dc.typeDocument
dc.description.transcriptionCLASSIFICATION OF ORDINARY CHONDRITES Meteorite [Forestburg (a)] Sample No.: [M149.1] PETROGRAPHY CHONDRULE OUTLINES [Very Distinct] Discernible Obscure Non-Existent PRESENCE OF CHONDRULE GLASS Yes [No] PLAGIOCLASE GRAIN SIZE [?] (For highly metamorphosed Meteorites] STRIATED PYROXENE Everywhere [Abundant] Rare None [?] MATRIX Opaque Recrystallized (Caution: Beware of Weathering) CHONDRULE TYPES [All Present] Some Missing WEATHERING [Pigments] Patches Veins very little METAL Fresh [Weathering Rims] Islands [Replaced] TROILITE Fresh [Weathering Rims] Islands [Replaced] OPAQUE GRAIN SIZE (Max) Metal Troilite [0.4 mm] BRECCIATION Obvious [Not Obvious] UNUSUAL FEATURES SHOCK CLASSIFICATION OLIVINE [Sharp Undulatory] [Planar Fractures Mosaicism] Ringwoodite [?] PLAGIOCLASE No effects Undulatory Extinction Maskelynite SHOCK VEINS Yes [No] SHOCK POCKETS Yes [No] Size MODES tr. Metal 4.6 Troilite 9.0 Weathering Products (all in vol.%) 1085 No. of Points MICROPROBE ANALYSES Olivine Fa Avg. o Number of analyses Low-Ca Pyroxene Fs Avg. & o Wo Avg. & o N High-Ca Pyroxene (optional) Fs Wo N


Files in this item

Thumbnail
This item appears in the following Collection(s)
  • Records of the Monnig Meteorite Gallery [2825]
    The files are arranged alphabetically, usually according to the location of discovery of the meteorite. The files contain correspondence and research material on the meteorites in the collection.

Show simple item record