File:Folded_gyprock.jpg
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Summary
DescriptionFolded gyprock.jpg |
English: Folded gyprock (Castile Formation, Upper Permian; State Line outcrop, southern Eddy County, New Mexico, USA) 7
Folded gyprock in the Permian of New Mexico, USA. This is the famous (& former) State Line outcrop, along Rt. 180/Rt. 62 at the New Mexico-Texas border. The cut contains finely-laminated gyprock (rock gypsum), a finely crystalline-textured, chemical sedimentary rock composed of the mineral gypsum (CaSO4·2H2O - hydrous calcium sulfate). Gyprock is an evaporite, which forms by the evaporation of water (usually seawater) and the precipitation of dissolved minerals. The whitish layers are gypsum. The dark brown layers are calcite. Each gypsum-calcite couplet represents one year's worth of deposition. These layers could be called varves. The calcite-gypsum (or -anhydrite) couplets have been successfully correlated throughout the Delaware Basin. Spectacular crinkling, small-scale folding, and small-scale faulting are present here. The folds and faults formed as a result of early Cenozoic structural deformation, not gypsum-to-anhydrite (or vice-versa) transformations (see Anderson & Kirkland, 1987). This world-class outcrop was destroyed in the late 2000s by the highway department to convert the two-lane highway into a four-lane divided highway. Stratigraphy: Castile Formation, upper Upper Permian Locality: State Line outcrop, roadcut on either side of Rt. 180/Rt. 62, between Carlsbad Caverns National Park and Guadalupe Mountains National Park, immediately north of the Texas border, southern Eddy County, southeastern New Mexico, USA (32° 00' 34.2" North latitude, 104° 29' 55.0" West longitude) Reference cited: Anderson, R.Y. & D.W. Kirkland. 1987. Banded Castile evaporites, Delaware Basin, New Mexico. Rocky Mountain Section of the Geological Society of America, Centennial Field Guide Volume 2: 455-458. |
Date | |
Source | https://www.flickr.com/photos/jsjgeology/8280544003 |
Author | James St. John |
Licensing
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 00:52, 1 March 2019 | 1,536 × 859 (949 KB) | RockingGeo | User created page with UploadWizard |
File usage
- Allochthon
- Autochthon (geology)
- Basement high
- Beppu–Shimabara graben
- Big Dan Shear Zone
- Biobío-Aluminé Fault Zone
- Cachet Fault
- Champlain Thrust
- Competence (geology)
- Compression (geology)
- Cordillera Blanca Fault Zone
- Creepmeter
- Creighton fault
- Deformation bands
- Dent Blanche nappe
- Disturbance (geology)
- Domeyko Fault
- Echelon cracks
- El Pilar Fault System
- Elysian Park Fault
- En echelon veins
- Fissility (geology)
- Flatiron (geomorphology)
- Flow banding
- Fold (geology)
- Foundered strata
- Hohe Tauern window
- Horst and graben
- Hurricane Fault
- Journal of Structural Geology
- King Salmon Fault
- Klippe
- Lambert Graben
- Lead (geology)
- Link Lake Deformation Zone
- Mica fish
- Mocha-Villarrica Fault Zone
- Morón Fault System
- Nahlin Fault
- Net Lake-Vermilion Lake Deformation Zone
- North Hispaniola Fault
- Northeast Arm Deformation Zone
- Northridge Blind Thrust Fault
- Oxaya anticline
- Pennine Basin
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- Portsdown Anticline
- Pothole (geology)
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- Red River Fault
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- Utsira High
- Walton fault zone
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- West Andaman Fault
- White Wolf Fault
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- Window (geology)
- Template:Struct-geology-stub
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Width | 1,536 px |
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Height | 859 px |
Bits per component |
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Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 200 dpi |
Vertical resolution | 200 dpi |
Software used | Adobe Photoshop Elements 13.0 (Macintosh) |
File change date and time | 00:50, 3 December 2017 |
Exif version | 2.21 |
Color space | sRGB |
Unique ID of original document | 3B0B4094BA77032473FD6238F99AC391 |
Date and time of digitizing | 18:14, 15 September 2017 |
Date metadata was last modified | 19:50, 2 December 2017 |