| 词条 | Ringbone Formation |
| 释义 |
| name = Ringbone Formation | image = | caption = | type = Geological formation | age = Campanian ~{{fossil range|84|71}} | period = Campanian | prilithology = Mudstone | otherlithology = Sandstone | namedfor = | namedby = | region = New Mexico | country = {{USA}} | coordinates = {{coord|31.9|N|108.5|W|display=inline,title}} | paleocoordinates = {{coord|39.3|N|80.7|W|display=inline}} | unitof = | subunits = | underlies = | overlies = | thickness = | extent = | area = | map = {{Location map+ | United States#New Mexico | relief = 1 | width = 250 | float = center | places = | lat_deg = 31.9 | lon_deg = -108.5 | mark = Lightgreen pog.svg | marksize = 12 }} | map_caption = }} The Ringbone Formation is a Campanian geologic formation in New Mexico. The formation comprises mudstones and yellow sandstones deposited in a lacustrine to deltaic environment.[1] Dinosaur remains of tyrannosaurs and hadrosaurs are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus.[2] See also{{Portal|Earth sciences|Paleontology|Dinosaurs|Cretaceous|Prehistory of North America}}
References1. ^Little Hatchet Mountains at Fossilworks.org 2. ^Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607. Bibliography
Further reading
7 : Geologic formations of New Mexico|Campanian Stage|Cretaceous geology of New Mexico|Mudstone formations|Sandstone formations of the United States|Deltaic deposits|Lacustrine deposits |
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