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| 02476cam 2200349za 4500 |
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| 001 | 9.846521 |
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| 003 | CaOODSP |
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| 005 | 20221107153224 |
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| 007 | cr ||||||||||| |
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| 008 | 171102s2017 oncbo ob f000 0 eng d |
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| 020 | |a978-0-660-23760-2 |
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| 040 | |aCaOODSP|beng |
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| 041 | |aeng|bfre |
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| 043 | |an-cn-nt |
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| 086 | 1 |aM44-2017/3E-PDF |
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| 100 | 1 |aGouwy, S. A., |eauthor. |
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| 245 | 10|aNew conodont data constraining the age of the 'Bear Rock assemblage' in the Colville Hills, Northwest Territories |h[electronic resource] / |cS.A. Gouwy, R.B. MacNaughton, and K.M. Fallas. |
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| 260 | |a[Ottawa] : |bNatural Resources Canada, Geological Survey of Canada, |c2017. |
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| 300 | |a11 p. : |bmaps, photos |
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| 490 | 1 |aGeological Survey of Canada, current research, |x1701-4387 ; |v2017-3 |
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| 504 | |aIncludes bibliographical references. |
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| 520 | 3 |a"In the Colville Hills region of the Northwest Territories, the Lower to Middle Devonian succession consists of variably brecciated limestone and dolostone that historically has been assigned to the Bear Rock Formation. Nonbrecciated strata within this interval can be assigned to the Arnica and Landry formations, but bedrock exposure is too sparse to permit these units to be mapped. In view of the internal complexity of this stratigraphic succession, the term 'Bear Rock assemblage' is applied to this interval. Only limited age constraints on these strata have been reported. Conodont assemblages collected in 2015 demonstrate that the succession ranges from lowermost Emsian to lower Eifelian (dehiscens to costatus zones). This is comparable to the inferred age of Bear Rock Formation in the Franklin Mountains and Mackenzie Mountains. Thermal alteration of most samples is low, but one sample records evidence of higher maximum temperatures, possibly related to hydrothermal alteration"--Abstract, p. 1. |
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| 546 | |aIncludes abstract in French. |
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| 692 | 07|2gccst|aStratigraphy |
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| 692 | 07|2gccst|aGeological maps |
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| 692 | 07|2gccst|aMountains |
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| 700 | 1 |aMacNaughton, Robert Bruce, |d1968- |econtributor. |
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| 700 | 1 |aFallas, K. M., |econtributor. |
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| 710 | 1 |aCanada. |bNatural Resources Canada, |eissuing body. |
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| 710 | 2 |aGeological Survey of Canada, |eissuing body. |
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| 830 | #0|aCurrent research (Geological Survey of Canada)|x1701-4387 ; |v2017-3.|w(CaOODSP)9.506236 |
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| 856 | 40|qPDF|s5.69 MB|uhttps://publications.gc.ca/collections/collection_2018/rncan-nrcan/M44-2017-3-eng.pdf |
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