. Bulletin of the Geological Society of America. Geology. zo PtFiciEncits SILICA so ao EXCES9ES Figure 4.—Series supposed to be related genetically, but not showing clear Gradations in the ivhole Range of Specimens Small spots show standard rocks, as in figure 1. A = Almunge. Sweden (set plotted probably incomplete: Bowen (op. pages 63-4) says these are transitional to granite) ; As = Ascutney Mountain, Vermont (whole series here ; only a slight variation appears in a single stock (diorite) ; (author favors syntexis) ; B = Bearpaw Mountnins, Montana (whole series here; one mass shown in
. Bulletin of the Geological Society of America. Geology. zo PtFiciEncits SILICA so ao EXCES9ES Figure 4.—Series supposed to be related genetically, but not showing clear Gradations in the ivhole Range of Specimens Small spots show standard rocks, as in figure 1. A = Almunge. Sweden (set plotted probably incomplete: Bowen (op. pages 63-4) says these are transitional to granite) ; As = Ascutney Mountain, Vermont (whole series here ; only a slight variation appears in a single stock (diorite) ; (author favors syntexis) ; B = Bearpaw Mountnins, Montana (whole series here; one mass shown in figure 3) ; C = Castle Mountains, Montana (whole series here; one mass shown in figure 3) ; D = Central Wisconsin (diorite) ; E = Electric Peak, Yellowstone Park; F = Crystal Falls. Michigan (transitions in single mass are known, but the analyses are not all from such a single mass) ; G = Central Wisconsin (granite) : K = Kruger, British Columbia (spreads widely over the plot) ; I, = Little Belt Mountains, Montana (whole series here; Yogo Peak separately in figure 3) ; M = Monteregian Hills, Quebec (whole series here; several single masses in figure 3) ; O = Old Hampshire County, Massachusetts ; P = Pyramid Peak, California ; R = Remmel, British Columbia ; S = Slesse, British Columbia ; T = Tripyramid Mountain, New Hampshire (outcrops include an aplite with some quartz, not analyzed) ; V — Cuttingsville, Vermont; X = Cortlandt, New York, (627). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Geological Society of America. [New York : The Society]
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectgeology, bookyear1890
