Depositional facies and environments of the lower Mineral Wells formation, Pennsylvanian Strawn group, north central Texas /
abundant plant fragments, red mudstones containing iron
| Main Author: | |
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| Format: | Thesis eBook |
| Language: | English |
| Published: |
[Place of publication not identified] :
[publisher not identified] ;
1996.
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| Subjects: | |
| Online Access: | Link to OAKTrust copy |
| Summary: | 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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| Item Description: | "Major subject: Geology". Vita. |
| Physical Description: | viii, 81 leaves : illustrations ; 28 cm. Also available online. Issued also on microfiche from Lange Micrographics. |
| Bibliography: | Includes bibliographical references. |