Smithsonian miscellaneous collections . ve bed of basalt rests on the Archean. Erosion cut across the entire Algonkian (t» = Unkar) series andDof Cambrian is between Archean (; = \ishnu) series on the left side of plate on line (Arc), and between nade by Walcott during winter of 1881-1882 came down over Tonto terrace and Algonkian cliffs to the MISCELLANEOUS COLLECTIONS ^iv#-^ >. i^vSi&^^iiSi.^^. Lncoiifuimaljlc cuiitacl on line (.la) bttvveen Archeaii (( = \ islinu sencsj ana o; j , The iremoved latter to left over Archean before deposition of the Cambrian (T— I apeats sanasithe Algonkian
Smithsonian miscellaneous collections . ve bed of basalt rests on the Archean. Erosion cut across the entire Algonkian (t» = Unkar) series andDof Cambrian is between Archean (; = \ishnu) series on the left side of plate on line (Arc), and between nade by Walcott during winter of 1881-1882 came down over Tonto terrace and Algonkian cliffs to the MISCELLANEOUS COLLECTIONS ^iv#-^ >. i^vSi&^^iiSi.^^. Lncoiifuimaljlc cuiitacl on line (.la) bttvveen Archeaii (( = \ islinu sencsj ana o; j , The iremoved latter to left over Archean before deposition of the Cambrian (T— I apeats sanasithe Algonkian (rji = Unkar) series elsewhere on plate; more fully shown in plate 43- j,.,,;]. I Locality: North side of Grand Canyon of Colorado River, Arizona, opposite (.rami MArchean at A. (American Tour. ^dser., \ol. 26, 1883, p. third paragraph.) lu* _ ?ambrian is ^!,!!° ,^^, •^cliean. Erosion cut across the entire Algonkian (r;i = Lnkar) series and-- ciween Archean (r^Xishnu) series on the left side of plate on line (Arc), and between <^ott during winter of 1881-1882 came down over Tonto terrace and .Mgonkian cliffs to the ade by vv NO. 4 CAMBRIAN AND PRE-CAMBRIAN AT HELENA 28/ before reaching (north of railway tracks) the red Spokane shales, whichunderlie the Cambrian in the Spokane Hills. The relations of the Cambrian and the subjacent Belt terrane on the line ofthe sectio
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Keywords: ., bookcentury1800, bookdecade1860, bookidsmiths, booksubjectscience
