Denver

Description

Source: Wikipédia

The Denver Formation is a geological formation that is present within the central part of the Denver Basin that underlies the Denver, Colorado, area. It ranges in age from latest Cretaceous (Maastrichtian) to early Paleocene, and includes sediments that were deposited before, during and after the Cretaceous-Paleogene boundary event.
The formation is known for its paleontological resources, including dinosaur remains that are found in the Late Cretaceous part of the formation, and it includes aquifers that are important sources of water for the area.

Découvertes

Source: The Paleobiology Database

Site(s) correspondant(s) à cette formation: 29

• Windsor Addition, Highland : Colorado - Jefferson ^{7835 9054 12304 12314 13266 15682 24831 48217 54102 55542 55544 55599 78169}
on Green Mountain Creek, near Denver, CO; from bank of small stream about 3 ft above water, in the Windsor Addition of Highland, CO, near the Platte River; SE 1/4 sec 6, T4S, R65W
• Ceratopsidae identifié comme Bison alticornis n. sp.
• Beaver Creek Valley (YPM) : Colorado - Jefferson ^{10410 12250 13071 13266 55542 55543 60140 78169}
SW 1/4 of sec 27, T4S, R69W; Bear Creek Road from Morrison to Denver, where it leaves creek and enters hills, 6 miles from Morrison, R (= S) side of road and 20 feet from road bed, near end of gully within 100 yds of house on L of road (white school house); also described as about 12 miles from Denver, where old Morrison Road left the mesa and entered Beaver Creek Valley at end of small arroyo E of the road. In Lakewood, CO. Cannon 1890 gives this as near sec 28, S.R. 69 W. Ref 60140: "The type and referred specimens were discovered in the upper part of the late Maastrichtian Denver Formation in the current city of Lakewood Colorado, 12 km southwest of the city of Denver on the south side of West Morrison Road, about 370 m east of the intersection of Kipling Street. The site was located 7 m south of West Morrison Road at the base of a gully. The area has seen much human modification, and there is now a drainage divertment culvert at the site to pass water underneath West Morrison Road...The original locality data provided with the specimen indicate that it was found by Mr. George L. Cannon Jr. on 19 June 1889. George Cannon supplied locality information on 24 August 1908 during a visit to YPM, and orally to Barnum Brown on 29 June 1916 (Osborn, 1917). The original locality data provided with the specimen identified the section as Denver Formation, about 12 miles from Denver, Colorado, S/W 1/ 4 Section 27, Township 4 South, Range 69 West, near where the old Morrison should have left the mesa going down into Beaver Creek Valley, at the head of a small arroyo east of road and near a small white school house (Marsh's collection notes identify the house as a white house with chicken coops around it)." Marsh, 1897: "at Green Mountain"
• Ornithomimus velox
• southwest end, South Table Mountain : Colorado - Jefferson ^{13266 24831 55542 55544}
SW end of South Table Mtn, 5 miles NE from Golden
• Tyrannosaurus rex
• Ankylosauria
• Ceratopsidae
• Tyrannosaurus
• Little Dry Creek : Colorado - Jefferson ^{13266 55542}
along Little Dry Creek, where Federal Boulevard crosses the RR tracks; "on the north bamk of Green Mountain Creek (Dry Creek) near the intersection of Boulevard F and the Denver and Intermountain railway in North Denver"
• Triceratops
• Dromaeosauridae
• Tyrannosauridae
• Berkeley Bluffs (UCM Loc. 82031) : Colorado - Adams ^{13266 55542}
at Berkeley Bluffs
• Edmontonia
• Dromaeosauridae
• Ornithomimus velox
• Ceratopsidae
• Locality V-2, Black Squirrel Creek : Colorado - El Paso ^{13266 64556 83728}
head of Black Squirrel Creek, near S end of Denver Basin, Ellicott; SE 1/4, sec. 9, T`14S, R62W
• Ceratopsidae
• east bank, Jimmy Camp Creek (UCM Loc. 79013) : Colorado - El Paso ^{13266 64556}
E bank of Jimmy Camp Creek, E of Colorado Springs. ca. 600 ft N of bridge on State Highway 94
• Ceratopsidae
• State Hwy 58, North Table Mountain : Colorado - Jefferson ¹³²⁶⁶
along State Hwy 58, on flanks of North Table Mtn.
• Ceratopsidae
• Dromaeosauridae
• south shores, Standley Lake (UCM) : Colorado - Jefferson ¹³²⁶⁶
S shores of Standley Lake
• Ceratopsidae
• Tyrannosaurus rex
• Littleton (DMNH Loc. 612) : Colorado - Arapahoe ^{13266 51520}
housing development in Littleton, CO
• Tyrannosaurus rex
• Oak Place, Westminster (DMNH Loc. 1513) : Colorado - Arapahoe ^{13266 93074}
housing development in Westminster, CO
• Dromaeosaurus
• Tyrannosaurus rex
• Hadrosauridae
• Pachycephalosaurus wyomingensis
• Ceratopsidae
• Edmontonia
• Ankylosauria
• Tyrannosauridae
• Huron : Colorado - Adams ¹³²⁶⁶
• Ceratopsidae
• east of Green Mountain : Colorado - Jefferson ^{13266 24831 53400 55544}
from a weathered surface E of Green Mountain, within a space of 100 sq ft
• Ceratopsidae
• Kountze Lake : Colorado - Jefferson ¹³²⁶⁶
• Ceratopsidae
• Mount Carbon clay pit : Colorado - Jefferson ^{13266 64556}
from clay pit of George W. Prince, on Mount Carbon, S side of Bear Creek, 3 mi. E of Morrison
• Ceratopsidae
• Promontory Pointe (DMNH Loc. 1927) : Colorado - Jefferson ¹³²⁶⁶
E of Standley Lake
• Dromaeosauridae
• Tyrannosaurus rex
• Hadrosauridae
• Ceratopsidae
• Coors Field (DMNH Loc. 892) : Colorado - Jefferson ¹³²⁶⁶
• Dinosauria
• Santa Fe (UCM Loc. 77284) : Colorado - Arapahoe ¹³²⁶⁶
• Theropoda
• Hadrosauridae
• Bowling (DMNH Loc. 1738) : Colorado - Adams ¹³²⁶⁶
• Ornithomimus velox
• Ceratopsidae
• Westmoor Golf Course : Colorado - Adams ¹³²⁶⁶
• Ceratopsidae
• Nodosauridae
• Deer Trail : Colorado - Arapahoe ¹³²⁶⁶
• Ornithomimus velox
• North Hills : Colorado - Adams ¹³²⁶⁶
• Ceratopsidae
• High Pointe Village : Colorado - Adams ¹³²⁶⁶
• Ceratopsidae
• Brighton ceratopsian (DMNH) : Colorado - Adams ²⁴⁸³¹
Brighton area, near Eldredge sites near Henderson
• Triceratops
• Overland Pressed Brick Company : Colorado - Jefferson ⁶⁴⁵⁵⁶
clay pit of Overland Pressed Brick Company, W side of South Platte River, Denver (coordinates for 1701 S. Lipan St., Denver)
• Dinosauria
• DMNH 4194 : Colorado - El Paso ⁷⁰⁶¹³
The precise location of this collection is not reported. All published vertebrate collections come from the Corral Bluffs area, and located in 11 different lithologic sections.
• Ceratopsia
• DMNH 4195 : Colorado - El Paso ⁷⁰⁶¹³
The precise location of this collection is not reported. All published vertebrate collections come from the Corral Bluffs area, and located in 11 different lithologic sections.
• Ceratopsia
• DMNH 6259 : Colorado - El Paso ⁷⁰⁶¹³
The precise location of this collection is not reported. All published vertebrate collections come from the Corral Bluffs area, and located in 11 different lithologic sections.
• Ceratopsia
• DMNH 8336 : Colorado - El Paso ⁷⁰⁶¹³
The precise location of this collection is not reported. All published vertebrate collections come from the Corral Bluffs area, and located in 11 different lithologic sections.
• Dinosauria