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sandstone corresponding to the Bluff
Formation. Then comes a break corresponding to the pinch-out of the Recapture Member of the Morrison Formation, another sandstone interval corresponding to the Acoma Tongue of the Zuni Sandstone, and a final break corresponding to the pinchout of the remaining Morrison Formation. The Zuni Formation
433:
At the type section at Dowa
Yalaane (Taaiyalone Mesa), the formation consists of about 80 meters (260 ft) of eolian sandstone corresponding to the Entrada Formation. A break corresponds to the pinched-out Todilto and Summerville Formations. Above this is about 60 meters (200 ft) of
665:
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in 1885. However, A.A. Baker, C.H. Dane, and J.B. Reeside regarded it as identical to the
Morrison Formation. R.J. Hackman and A.B. Olson renamed the beds as the
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629:"Geology, structure, and uranium deposits of the Gallup 1 degree x 2 degrees quadrangle, New Mexico and Arizona"
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491:"Jurassic stratigraphy of the southeastern Colorado Plateau, west-central New Mexico: 2020 synthesis"
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422:. This is designated as the Zuni Sandstone, which is thus the lateral equivalent of the combined
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596:"Correlation of the Jurassic formations of parts of Utah, Arizona, New Mexico, and Colorado"
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528:"Preliminary report on redefinition of Zuni Sandstone, west-central New Mexico"
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in 1977 O.J. Anderson proposed the modern definition of the formation in 1983.
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pinch out to leave a
Jurassic section that is almost entirely composed of
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in west-central New Mexico. At about this latitude, the
594:Baker, A.A.; Dane, C.H.; Reeside, J.B. Jr. (1936).
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498:New Mexico Geological Society Special Publication
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666:Sandstone formations of the United States
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600:U.S. Geological Survey Professional Paper
399:The Zuni Sandstone is found south of the
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446:and is unconformably overlain by the
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569:U.S. Geological Survey Annual Report
16:Geologic formation in New Mexico, US
627:Hackman, R.J.; Olson, A.B. (1977).
565:"Mount Taylor and the Zuni plateau"
108:Type locality of Zuni Sandstone at
300:Zuni Sandstone (the United States)
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661:Jurassic formations of New Mexico
458:The unit was first described by
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346:Outcrop of Zuni Sandstone at
303:Show map of the United States
348:El Malpais National Monument
328:Zuni Sandstone (New Mexico)
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454:History of investigation
164:150 m (490 ft)
526:Anderson, O.J. (1983).
413:Summerville Formations
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331:Show map of New Mexico
464:Cow Springs Sandstone
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212:35.0525°N 108.7957°W
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28:Stratigraphic range
535:New Mexico Geology
387:to leave a single
383:formations, which
363:geologic formation
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217:35.0525; -108.7957
487:Lucas, Spencer G.
440:Wingate Sandstone
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561:Dutton, C.E.
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444:Chinle Group
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271:Year defined
256:Zuni Plateau
248:Type section
151:Chinle Group
110:Dowa Yalanne
395:Description
381:sedimentary
215: /
203:108°47′45″W
190:Coordinates
655:Categories
639:29 October
579:29 October
545:29 October
541:(3): 56–60
508:30 October
470:References
378:lacustrine
367:New Mexico
352:New Mexico
232:New Mexico
200:35°03′09″N
575:: 113–198
504:: 135–144
420:sandstone
389:sandstone
385:pinch out
253:Named for
178:Sandstone
169:Lithology
161:Thickness
137:Underlies
127:Sub-units
121:Formation
563:(1885).
489:(2020).
409:Morrison
371:Jurassic
261:Named by
184:Location
147:Overlies
635:. I-981
424:Entrada
405:Todilto
374:fluvial
238:Country
174:Primary
417:eolian
411:, and
391:body.
228:Region
531:(PDF)
494:(PDF)
361:is a
641:2020
581:2020
547:2020
510:2020
426:and
376:and
357:The
274:1885
117:Type
38:PreꞒ
608:doi
604:183
442:or
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88:Pg
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93:N
83:K
78:J
73:T
68:P
63:C
58:D
53:S
48:O
43:Ꞓ
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
