From Wikipedia, the free encyclopedia
The Gun River Formation is a
geologic formation in
Quebec . It preserves
fossils dating back to the early
Silurian
period .
Description
The formation is divided into 4 members (from the base up): the Lachute, Innommée, Sandtop and Macgilvray members. The formation was deposited some 40–80 km offshore from the stable
Laurentian craton, underwater at depths of 30 to 60 meters.
[1]
Fossil content
Vertebrates
Color key
Notes Uncertain or tentative taxa are in small text ; crossed out taxa are discredited.
Invertebrates
See also
References
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ae Copper, Paul; Long, Darrel G. F.; Jin, Jisuo (2012).
"The Early Silurian Gun River Formation of Anticosti Island, eastern Canada: A key section for the mid-Llandovery of North America" . Newsletters on Stratigraphy . 45 (3): 263.
doi :
10.1127/0078-0421/2012/0024 .
ISSN
0078-0421 .
^
a
b Zhang, Shunxin; Barnes, Christopher R. (July 2000).
"Anticostiodus, a new multielement conodont genus from the Lower Silurian, Anticosti Island, Quebec" . Journal of Paleontology . 74 (4): 662–669.
doi :
10.1666/0022-3360(2000)074<0662:AANMCG>2.0.CO;2 .
ISSN
0022-3360 .
S2CID
59056082 .
^ Jin, Jisuo; Caldwell, W. G. E.; Copper, Paul (March 1990).
"Evolution of the Early Silurian rhynchonellid brachiopod Fenestrirostra in the Anticosti Basin of Quebec" . Journal of Paleontology . 64 (2): 214–222.
doi :
10.1017/s0022336000018370 .
ISSN
0022-3360 .
S2CID
132248649 .
^
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e Jin, Jisuo; Copper, Paul.
"Late Ordovician and Early Silurian pentamerid brachiopods of Anticosti Island, Québec, Canada" . Palaeontographica Canadiana .
^ Jin, Jisuo; Copper, Paul (May 1998).
"Kulumbella and Microcardinalia (Chiastodoca) new subgenus, Early Silurian divaricate stricklandiid brachiopods from Anticosti Island, eastern Canada" . Journal of Paleontology . 72 (3): 441–453.
doi :
10.1017/s0022336000024185 .
ISSN
0022-3360 .
S2CID
132809506 .
^
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b
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"Larger Cryptostome Bryozoa of the Ordovician and Silurian, Anticosti Island, Canada" . www.jstor.org . SEPM Society for Sedimentary Geology.
JSTOR
1300852 . Retrieved 2022-09-18 .
^ Dixon, O. A. (January 1986).
"The heliolitid coral Acidolites in Ordovician–Silurian rocks of eastern Canada1" . Journal of Paleontology . 60 (1): 26–52.
doi :
10.1017/S002233600002148X .
ISSN
0022-3360 .
S2CID
130759173 .
^ Lee, Dong-Jin; Noble, James P. A. (July 1990).
"Reproduction and life strategies in the Paleozoic tabulate coral Paleofavosites capax (Billings)" . Lethaia . 23 (3): 257–272.
doi :
10.1111/j.1502-3931.1990.tb01452.x .
ISSN
0024-1164 .