| 词条 | Trempealeau Formation |
| 释义 |
| name = Trempealeau Formation | image = | caption = | type = Formation | period = Cambrian | age = {{Fossil range| Upper Cambrian}} | prilithology = Dolomite[1] | otherlithology = | namedfor = | namedby = | region = {{Flag|Wisconsin}} | country = {{Flag|United States}} | coordinates = | unitof = | subunits = | underlies = | overlies = | thickness = | extent = | area = | map = | map_caption = }} The Trempealeau Formation is an Upper Cambrian[2] geologic formation in Wisconsin. It contains graptolites.[3] See also{{Portal|Earth sciences|Wisconsin|Paleontology|Cambrian|Paleozoic}}
References1. ^{{Cite web|url=http://www.michigan.gov/documents/deq/GIMDL-BU07_301931_7.pdf | title=Subsurface Stratigraphy of Cambrian Rocks in the Southern Peninsula of Michigan: Michigan Basin | author=Randall L Milstein | publisher=Michigan Department of Natural Resources | location=Lansing, Michigan | date=1989}} {{Wisconsin-geologic-formation-stub}}2. ^{{Cite web | url=http://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=MICAt;0 | title=Trempealeau Formation | publisher=USGS}} 3. ^{{Cite book|url=https://books.google.com/?id=1prnz5SD78kC&pg=PA211&lpg=PA211&dq=Trempealeau+formation#v=onepage&q=Trempealeau%20formation&f=false | title=Graptolites of North America | author=Rudolf Ruedemann| isbn=9780813710198 | year=1947 }} 2 : Cambrian geology of Wisconsin|Cambrian southern paleotropical deposits |
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