Morrow Formation: Difference between revisions
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{{Short description|Geologic formation in |
{{Short description|Geologic formation in various part of the United States}} |
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{{Infobox rockunit |
{{Infobox rockunit |
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| name = Morrow Formation |
| name = Morrow Formation |
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| caption = |
| caption = |
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| type = [[Formation (stratigraphy)|Formation]] |
| type = [[Formation (stratigraphy)|Formation]] |
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| age = [[ |
| age = [[Pennsylvanian (geology)|Pennsylvanian]] |
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| prilithology = |
| prilithology = |
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| otherlithology = |
| otherlithology = |
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| namedfor = |
| namedfor = |
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| namedby = |
| namedby = |
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| region = |
| region = |
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| country = [[United States]] |
| country = [[United States]] |
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| coordinates = |
| coordinates = |
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| thickness = |
| thickness = |
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| extent = |
| extent = |
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| area = |
| area =New Mexico, Texas, Oklahoma, Kansas, and Arkansas |
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| map = |
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| map_caption = |
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The '''Morrow Formation''' is a [[Formation (geology)|geologic formation]] in [[Oklahoma]]. It preserves [[fossils]] dating back to the [[Carboniferous]] [[Period (geology)|period]]. |
The '''Morrow Formation''' is a [[Formation (geology)|geologic formation]] from the [[Pennsylvanian (geology)|Pennsylvanian]] geological age that is found in locations ranging from Southeast [[New Mexico]] and [[West Texas]] to locations in [[Oklahoma]], Southwestern [[Kansas]], and [[Arkansas]].<ref>Stratigraphic description of the Morrow Formation using mode-converted shear waves: Interpretation tools and techniques for three land surveys (sterlingseismic.com)</ref><ref>{{Cite web |title=Geolex — Morrow publications |url=https://ngmdb.usgs.gov/Geolex/UnitRefs/MorrowRefs_15499.html |access-date=2024-05-09 |website=ngmdb.usgs.gov}}</ref> It preserves [[fossils]] dating back to the [[Carboniferous]] [[Period (geology)|period]]. |
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== Arkansas Morrow Sands == |
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Published research on the Morrow Formation goes back to 1904 in research discussing the [[zinc]] and [[lead]] deposits of northern Arkansas.<ref>{{Cite web |title=Geolex — Morrow publications |url=https://ngmdb.usgs.gov/Geolex/UnitRefs/MorrowRefs_15499.html |access-date=2024-05-10 |website=ngmdb.usgs.gov}}</ref> |
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== New Mexico Morrow Sands == |
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The Morrow Formation is found in the [[Delaware Basin]] of southeastern New Mexico. [[File:Delaware Basin geology exhibit.JPG|thumb|Map of Delaware Basin. Morrow sand was largely deposited in the NW Shelf of the basin]][[File:Delaware Basin New Mexico.jpg|thumb|An example of the flatness found in the region. Image from near the [[Carlsbad Caverns National Park|Carlsbad Caverns]] in [[Carlsbad, New Mexico|Carlsbad]], New Mexico.]]It can be found at depths of 8,200 to 12,500 feet. In some parts of southeast [[Eddy County, New Mexico|Eddy County]] and west areas of [[Lea County, New Mexico|Lea counties]], New Mexico, it may be found as deep as 15,000 feet. |
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Unique characteristics of this formation are: |
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* Limited areal extent (limited area to be found on a map) |
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* Wide variations of [[Permeability (Earth sciences)|permeability]] |
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Source: <ref>{{Cite journal |last=Henry |first=J. B. |date=1974-12-01 |title=Status of Morrow gas sand exploitation in Eddy County, N. M |url=https://www.osti.gov/biblio/5142189 |journal=Pet. Eng.; (United States) |language=English |volume=46:14}}</ref> |
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The Morrow [[facies]] (body of rock with specific characteristics) was deposited in a complex of mixed [[siliciclastic]] (mostly silica bearing rock) and [[carbonate]] [[Depositional environment|depositional environments]].<ref>Prediction of reservoir geometries in the Morrow of southeastern New Mexico (Conference) | OSTI.GOV</ref> |
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The Morrow Formation is typically divided into two intervals: |
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* The Morrow [[Clastic rock|clastics]] |
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* The overlying Morrow [[Limestone|limestones]] |
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Source: <ref>A regional look at Morrow Formation gas in light of conflicting resource development in southeast New Mexico | AAPG Bulletin | GeoScienceWorld</ref> |
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=== Analogue to depositional process === |
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In ''Prediction of reservoir geometries in the Morrow of southeastern New Mexico,'' the southern shelf of [[Belize]], [[Central America]] is considered an analogue in the present time to the depositional process that had taken place in the Morrowan in SE New Mexico, during the time of the ancient Delaware Sea.<ref>{{Cite journal |last=Mazzullo |first=L. J. |date=1991-08-01 |title=Prediction of reservoir geometries in the Morrow of southeastern New Mexico |url=https://www.osti.gov/biblio/5846785 |journal=AAPG Bulletin (American Association of Petroleum Geologists); (United States) |language=English |volume=75:8 |issn=0149-1423}}</ref> |
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==See also== |
==See also== |
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==References== |
==References== |
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* {{cite web|title= Fossilworks: Gateway to the Paleobiology Database|author= ((Various Contributors to the Paleobiology Database))|url= |
* {{cite web|title= Fossilworks: Gateway to the Paleobiology Database|author= ((Various Contributors to the Paleobiology Database))|url= https://www.fossilworks.org|access-date= 17 December 2021}} |
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{{Chronostratigraphy of Colorado|Paleozoic state=expanded}} |
{{Chronostratigraphy of Colorado|Paleozoic state=expanded}} |
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{{Oklahoma-geologic-formation-stub}} |
{{Oklahoma-geologic-formation-stub}} |
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{{Carboniferous-stub}} |
{{Carboniferous-stub}} |
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<references /> |
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[[Category:Geology]] |
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Latest revision as of 08:12, 18 November 2024
| Morrow Formation | |
|---|---|
| Stratigraphic range: Pennsylvanian | |
| Type | Formation |
| Area | New Mexico, Texas, Oklahoma, Kansas, and Arkansas |
| Location | |
| Country | United States |
The Morrow Formation is a geologic formation from the Pennsylvanian geological age that is found in locations ranging from Southeast New Mexico and West Texas to locations in Oklahoma, Southwestern Kansas, and Arkansas.[1][2] It preserves fossils dating back to the Carboniferous period.
Arkansas Morrow Sands
[edit]Published research on the Morrow Formation goes back to 1904 in research discussing the zinc and lead deposits of northern Arkansas.[3]
New Mexico Morrow Sands
[edit]The Morrow Formation is found in the Delaware Basin of southeastern New Mexico.
It can be found at depths of 8,200 to 12,500 feet. In some parts of southeast Eddy County and west areas of Lea counties, New Mexico, it may be found as deep as 15,000 feet.
Unique characteristics of this formation are:
- Limited areal extent (limited area to be found on a map)
- Wide variations of permeability
Source: [4]
The Morrow facies (body of rock with specific characteristics) was deposited in a complex of mixed siliciclastic (mostly silica bearing rock) and carbonate depositional environments.[5]
The Morrow Formation is typically divided into two intervals:
- The Morrow clastics
- The overlying Morrow limestones
Source: [6]
Analogue to depositional process
[edit]In Prediction of reservoir geometries in the Morrow of southeastern New Mexico, the southern shelf of Belize, Central America is considered an analogue in the present time to the depositional process that had taken place in the Morrowan in SE New Mexico, during the time of the ancient Delaware Sea.[7]
See also
[edit]
References
[edit]- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
 | This article about a specific stratigraphic formation in Oklahoma is a stub. You can help Wikipedia by expanding it. |
 | This article related to the Carboniferous period is a stub. You can help Wikipedia by expanding it. |
- ^ Stratigraphic description of the Morrow Formation using mode-converted shear waves: Interpretation tools and techniques for three land surveys (sterlingseismic.com)
- ^ "Geolex — Morrow publications". ngmdb.usgs.gov. Retrieved 2024-05-09.
- ^ "Geolex — Morrow publications". ngmdb.usgs.gov. Retrieved 2024-05-10.
- ^ Henry, J. B. (1974-12-01). "Status of Morrow gas sand exploitation in Eddy County, N. M". Pet. Eng.; (United States). 46:14.
- ^ Prediction of reservoir geometries in the Morrow of southeastern New Mexico (Conference) | OSTI.GOV
- ^ A regional look at Morrow Formation gas in light of conflicting resource development in southeast New Mexico | AAPG Bulletin | GeoScienceWorld
- ^ Mazzullo, L. J. (1991-08-01). "Prediction of reservoir geometries in the Morrow of southeastern New Mexico". AAPG Bulletin (American Association of Petroleum Geologists); (United States). 75:8. ISSN 0149-1423.