Category:Hell Creek Formation
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English: The Hell Creek Formation is a division of Upper Cretaceous to lower Paleocene rocks in North America, named for exposures studied along Hell Creek, near Jordan, Montana. The Hell Creek Formation occurs in Montana and portions of North Dakota, South Dakota, and Wyoming.It is a series of fresh and brackish-water clays, mudstones, and sandstones deposited during the Maastrichtian, the last part of the Cretaceous period. The iridium-enriched K-T boundary, which separates the Cretaceous from the Cenozoic, occurs as a discontinuous but distinct thin marker bedding within the Formation, near its uppermost strata.
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Subcategories
This category has the following 7 subcategories, out of 7 total.
Media in category "Hell Creek Formation"
The following 70 files are in this category, out of 70 total.
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Ant Hill, Hell Creek Formation- Harding County.JPG 640 × 480; 100 KB
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Anzu wyliei localities.png 2,939 × 2,275; 593 KB
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Aquilapollenites Attenuatus Funkhouser(1961).jpg 829 × 764; 180 KB
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BHI3033 skeletal material.JPG 3,630 × 1,920; 606 KB
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Bird at Hell Creek.JPG 640 × 480; 112 KB
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Bisonia niemii (HC200).jpg 3,118 × 3,600; 648 KB
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Cf. Averrhoites affinis.jpg 3,600 × 4,023; 1.02 MB
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Cissites puilosokensis (HC180).jpg 2,967 × 3,600; 669 KB
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Compositae- Asteraceae- Harding County South Dakota.JPG 640 × 480; 110 KB
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Ditaxocladus catenulata (HC137).jpg 2,433 × 3,147; 271 KB
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Dryophyllum subfalcatum (HC49).jpg 1,678 × 3,600; 354 KB
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Elatides longifolia (HC165).jpg 2,297 × 2,443; 560 KB
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Erlingfolia montana (HC57).jpg 2,421 × 3,600; 786 KB
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Fosilie edmontosaura Montana.jpg 1,500 × 1,125; 333 KB
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Ginkgo adiantoides (HC114).jpg 3,600 × 3,190; 715 KB
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Grewiopsis saportana (HC2).jpg 2,360 × 3,600; 1.01 MB
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Habrosaurus dilatus Size Chart.png 2,260 × 2,068; 279 KB
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Habrosaurus Dilatus.png 1,810 × 2,000; 3.88 MB
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Hell Creek and Lance formations.png 2,939 × 2,275; 1.18 MB
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Hell Creek Archosaur Sizes.png 1,115 × 509; 57 KB
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Hell Creek dinosaurs and pterosaurs by durbed.jpg 3,404 × 2,007; 1.63 MB
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Hell Creek Dinosaurs.jpg 392 × 888; 181 KB
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Hell Creek Formation caenagnathids.png 2,250 × 1,611; 7.74 MB
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Hell Creek Formation-- Rockformation.JPG 640 × 480; 83 KB
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Hell Creek Wildlife- Bird.JPG 640 × 480; 134 KB
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Hell Creek- Harding County SD Landscape.jpg 600 × 400; 153 KB
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Hell Creek.jpg 720 × 466; 307 KB
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Hydropteris pinnata (HC129).jpg 2,391 × 2,695; 488 KB
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In the field (23880425890).jpg 4,000 × 3,000; 2.9 MB
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Jordan, Montana.jpg 1,500 × 1,125; 182 KB
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Late Cretaceous metatherian locales - ZooKeys 465.jpg 1,512 × 756; 810 KB
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Leepierceia preartocarpoides (HC86).jpg 3,600 × 5,684; 1.61 MB
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Limnobiophyllum scutatum (FU38).jpg 3,600 × 3,083; 715 KB
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Liriodendrites bradacii (HC166).jpg 4,030 × 3,600; 1.79 MB
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Liriodendron laramiense.jpg 3,600 × 5,432; 1.5 MB
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Montana Badlands.jpg 1,500 × 1,125; 195 KB
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MOR555 skeletal material.JPG 3,630 × 1,920; 586 KB
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Mud With Fossil Fragments- Harding Co SD.JPG 640 × 480; 122 KB
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Nanotyrannus Clean.png 1,890 × 1,240; 534 KB
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Nilssoniocladus yukonensis (HC164).jpg 3,600 × 6,709; 914 KB
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Palaeoaster inquirenda (HC7).jpg 3,345 × 3,600; 852 KB
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Paleontological camp.jpg 2,560 × 1,920; 1.02 MB
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Parapsephurus.jpg 3,891 × 799; 692 KB
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Platanites marginata (HC106).jpg 3,600 × 4,559; 997 KB
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Pterosauria journal.pbio.2001663.g020.png 3,776 × 2,887; 2.76 MB
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Rhamnica cleburnii (HC62).jpg 3,600 × 6,997; 1.53 MB
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Rock Formations- Harding County South Dakota.JPG 640 × 480; 96 KB
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Scapherpeton.jpg 1,266 × 899; 225 KB
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Size disparity of late Maastrichtian pterosaurs and birds.svg 512 × 386; 492 KB
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Struthiomimus isolated.png 2,228 × 2,209; 1.41 MB
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T. rex Big Mike.jpg 1,500 × 1,126; 266 KB
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Trapago angulata (FU2).jpg 1,817 × 1,532; 489 KB
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Triceratops and Leptoceratops.jpg 1,024 × 1,414; 221 KB
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Trochodendroides nebrascensis (HC103).jpg 3,600 × 4,343; 972 KB
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Upper Cretaceous Hell Creek dinosaur census 2.svg 765 × 337; 10 KB
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Upper Cretaceous Hell Creek dinosaur census-ar.png 898 × 1,252; 130 KB
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Upper Cretaceous Hell Creek dinosaur census.png 1,556 × 638; 91 KB
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Upper Cretaceous Hell Creek stratigraphy.png 2,256 × 2,686; 710 KB
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Vitis stantonii (HC14).jpg 3,600 × 3,869; 1.12 MB
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Wildflower of Harding County South Dakota.JPG 640 × 480; 106 KB
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WLA hmns Tyrannosaurus rex 2.jpg 3,888 × 2,592; 3.99 MB
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WLA hmns Tyrannosaurus rex 3.jpg 1,024 × 729; 349 KB
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WLA hmns Tyrannosaurus rex Montana.jpg 900 × 675; 730 KB
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Categories:
- Geologic formations of North America
- Geologic formations of the United States
- Fossil localities
- Paleocene life
- Geologic formations in Montana
- Geologic formations in South Dakota
- Geologic formations in North Dakota
- Geologic formations in Wyoming
- K/T Event
- Maastrichtian Stage
- Sandstone formations in the United States
- Mudstone formations in the United States
- Cretaceous formations in Montana
- Fossil bearing geologic formations in the United States
- Cretaceous formations in South Dakota
- Paleogene formations in South Dakota
- Paleogene formations in Montana
- Paleogene formations in North Dakota
- Cretaceous formations in North Dakota
- Cretaceous formations in Wyoming
- Paleogene formations in Wyoming
- Cretaceous fossil bearing formations in the United States
- Paleogene fossil bearing formations in the United States
- Williston Basin - geologic formations
- Dinosaur-bearing stratigraphic units in the United States