Los Molles Formation
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| Los Molles Formation | |
|---|---|
| Stratigraphic range: Pliensbachian-Callovian ~ | |
| Type | Geological formation |
| Unit of | Cuyo Group |
| Underlies | Niyeu–Lajas Formation |
| Overlies | Lajoa Formation |
| Lithology | |
| Primary | Organic shale |
| Other | Lime-mudstone |
| Location | |
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| Approximate paleocoordinates | Lua error: callParserFunction: function "#coordinates" was not found. |
| Region | Mendoza Province Neuquén Province |
| Country | Argentina |
| Extent | Neuquén Basin |
| Type section | |
| Country | Argentina |
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The Los Molles Formation is a geologic formation of Early to Middle Jurassic age, located at northern and central part of Neuquén Basin at Mendoza Shelf in Argentina. It is overlain by the Niyeu–Lajas Formation.[1]
Description
It is the second largest oil and gas formation in the Neuquén Basin after the Vaca Muerta. Los Molles Formation is estimated to have 275 trillion cubic feet (7.8×1012 m3) of technically recoverable shale gas and 3.7 billion barrels (590,000,000 m3) of technically recoverable oil.[2] In July 2015, the Buenos Aires Herald indicated that Pan American Energy and YPF planned to drill 46 shale gas wells in Los Molles over the next four years in their Lindero Atravesado drilling block, at an estimated cost of US$590 million.[3]
Fossil content
In several outcrops, the Los Molles formation has been the site of paleontological discoveries: the ichthyosaurs Chacaicosaurus and Mollesaurus, and, in 2017, an ornithischian, Isaberrysaura, discovered with fossilized contents of the gut.[4]
See also
- Vaca Muerta
- List of dinosaur bearing rock formations
- Toarcian turnover
- Toarcian formations
- Marne di Monte Serrone, Italy
- Calcare di Sogno, Italy
- El Pedregal Formation, Spain
- Sachrang Formation, Austria
- Posidonia Shale, Lagerstätte in Germany
- Ciechocinek Formation, Germany and Poland
- Krempachy Marl Formation, Poland and Slovakia
- Lava Formation, Lithuania
- Azilal Group, North Africa
- Whitby Mudstone, England
- Fernie Formation, Alberta and British Columbia
- Whiteaves Formation, British Columbia
- Navajo Sandstone, Utah
- Mawson Formation, Antarctica
- Kandreho Formation, Madagascar
- Kota Formation, India
- Cattamarra Coal Measures, Australia
References
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- ^ McIlroy et al., 2005
- ^ EIA, 2013
- ^ Shale fields to get US$14 billion boost
- ^ Salgado et al., 2017
Bibliography
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- Page Module:Citation/CS1/styles.css has no content.McIlroy, Duncan; Flint, Stephen; Howell, John A.; Timms, Nick (2005), The Neuquén Basin, Argentina: A Case Study in Sequence Stratigraphy and Basin Dynamics - Sedimentology of the tide-dominated Jurassic Lajas Formation, Neuquén Basin, Argentina, Geological Society of London, p. 84, ISBN 978-1-86239-190-1, retrieved 2019-02-16
- Page Module:Citation/CS1/styles.css has no content.Salgado, Leonardo; Canudo, José I.; Garrido, Alberto C.; Moreno Azanza, Miguel; Martínez, Leandro C. A.; Coria, Rodolfo A.; Gasca, José M. (2017), "A new primitive Neornithischian dinosaur from the Jurassic of Patagonia with gut contents", Scientific Reports, 7 42778, Bibcode:2017NatSR...742778S, doi:10.1038/srep42778, PMC 5311864, PMID 28202910, retrieved 2019-02-16
- Page Module:Citation/CS1/styles.css has no content.Various, Authors (2013), Technically Recoverable Shale Oil and Shale Gas Resources: An Assessment of 137 Shale Formations in 41 Countries Outside the United States (PDF), U.S. Energy Information Administration (EIA), pp. _, retrieved 2013-06-11
