Precambrian

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A further contribution to our knowledge of the Laurentian
Frank Dawson Adams

American Journal of Science July 1895, s3-50 (295) 58-69; DOI: https://doi.org/10.2475/ajs.s3-50.295.58
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The stratigraphic position of the Thomson slates [Minnesota]
Josiah Edward Spurr

American Journal of Science August 1894, s3-48 (284) 159-166; DOI: https://doi.org/10.2475/ajs.s3-48.284.159
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Relations of the lower Menominee and lower Marquette series in Michigan; preliminary
Henry Lloyd Smyth

American Journal of Science March 1894, s3-47 (279) 216-223; DOI: https://doi.org/10.2475/ajs.s3-47.279.216
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On the relations of the Laurentian and Huronian on the north side of Lake Huron
Alfred Ernest Barlow

American Journal of Science September 1892, s3-44 (261) 236-239; DOI: https://doi.org/10.2475/ajs.s3-44.261.236
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On subdivisions in Archean history
James Dwight Dana

American Journal of Science June 1892, s3-43 (258) 455-462; DOI: https://doi.org/10.2475/ajs.s3-43.258.455
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Geological age of the Saganaga syenite
Alfred Richard Cecil Selwyn

American Journal of Science April 1892, s3-43 (256) 319-322; DOI: https://doi.org/10.2475/ajs.s3-43.256.319
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Observations upon the structural relations of the upper Huronian, lower Huronian, and basement complex on the north shore of Lake Huron
Raphael Pumpelly and C. R. Van Hise

American Journal of Science March 1892, s3-43 (255) 224-232; DOI: https://doi.org/10.2475/ajs.s3-43.255.224
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Structural geology of Steep Rock Lake, Ont
Henry Lloyd Smyth

American Journal of Science October 1891, s3-42 (250) 317-331; DOI: https://doi.org/10.2475/ajs.s3-42.250.317
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Geological age of the Saganaga syenite
Horace Vaughan Winchell

American Journal of Science May 1891, s3-41 (245) 386-390; DOI: https://doi.org/10.2475/ajs.s3-41.245.386
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On the magnetite ore districts of Jacupiranga and Ipanema, Sao Paulo, Brazil
O. A. Derby

American Journal of Science April 1891, s3-41 (244) 311-321; DOI: https://doi.org/10.2475/ajs.s3-41.244.311

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