http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Depositional facies and environments of the lower Mineral Wells formation, Pennsylvanian Strawn group, north central Texas
viii, 81 leaves : illustrations ; 28 cm.
abundant plant fragments, red mudstones containing iron
and consists of massive mudstones, massive silty mudstones
concretions, and dark gray mudstones containing plant
conglomerates, rippled very fine- to fine-grained sandstones
conglomerates. Lastly, the aggrading channel facies consists
conglomerates. The stratigraphy of the lower Mineral Wells
consist of vertical successions from open marine to prodelta
consists of trough and tabular cross-laminated sandstones,
deposited in fluvial, deltaic, interdeltaic, and inner shelf
depositional environments, and stratigraphy. Eight
depositional facies were identified in the lower Mineral
deposits overlain by increasingly deeper marine facies.
environments during late Desmoinesian and early Missourian
formation is characterized by alternating progradational and
fossiliferous and consists of gray, beige, green, and brown
fragments and mudcracks. The distributary channel facies
grained sandstones, very thinly-bedded very fine-grained
group is a siliciclastic-dominated sequence of cyclically
highly bioturbated sandy mudstones and muddy sandstones, and
horizontal planar- and cross-laminated fine-to medium-grained
interbedded mudstones, sandstones. and carbonates that was
interdistributary bay facies consists of massive clayey
interlayered with muddy sandstones and sandy mudstones, and
laminated fine-grained sandstones, highly bioturbated fine-
lenticular-laminated muddy siltstones. The transgressive
limestones. The prodelta facies is largely nonfossiliferous
medium-grained quartz sandstones and cherty pebble
mudstones and sandstones. The meanderbeft facies consists of
mudstones with some rippled very fine-grained sandstones,
mudstones, black mudstones with phosphate nodules, and
of large scale trough cross-bedded, wavy-bedded, and rippled
Pinto and Parker counties in north-central Texas for the
purpose of describing and interpreting its facies,
sandstones interlayered with cross-bedded and massive
sandstones, and sandy and silty mudstones. The
shoreface facies consists of cross-laminated and ripple
stratified very fine- to medium-grained sandstones. The
structures, and fossil content. The open marine facies is
swampmarsh facies consists of gray platy mudstones containing
The lower Mineral Wells formation of the Pennsylvanian Strawn
time. This study examined outcrops of the formation in Palo
to distributary channel or interdistributary bay.
Transgressive sequences consist of transgressive shoreface
transgressive sequences. Progradational sequences typically
trough cross-bedded fine-grained sandstones, massive
wavy-bedded sandstones, and wavy-laminated and lenticular
Wells formation on the basis of lithology. sedimentary
with occasional siltstone lenses, and horizontal planar- and
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