Eastport quadrangle notebook # 3, 1907
Page 4
Image from the Biodiversity Heritage Library. Contributed by Smithsonian Institution Archives. | www.biodiversitylibrary.org
Transcription
Perry Monday, Aug. 26. '07. 1 = red shale = sandst & conglomerate = traps = rhyolite flags 2:24.6 Fig. 1 A x section along line A-B, Fig. 1. (strike dips as best as net) Fig. 2 a = 5 ft red shale resting on b = 80 rhyolite(?) flags c = trap rubble d = old (?) conglomerate not E = red shale, sandstone, and conglomerate cropping out in non-bedded -> B An examination was made of the series of outcrops and roadstones in the vicinity of the railroad crossing over the Little River. The highway limit is nearly west of Perry. About most of the main highway running the 24 mile eastward from Perry, sandstone conglomerates crop out in the railroad cutting much as they do near a quarry exposure in the highway 1/4 mile west of the river (A). The section as illustrated in this figure is at sufficient part of the fields near exposures of rhyolite red shales nearly filling the stratigraphic interval. The left profile red shales are the only rocks cropping out in this interval, suggesting that they are the only rocks running below the sandstone conglomerates of (B). However passing along the railroad westwardly we soon find another railroad exhibiting the former sandstone and conglomerate apparently starting gradually below B and still further west near as the railroad crosses the river the conglomerate again appears on the river bank with NW side. The railroad was as overlain by red shales (4). All conglomerates of (A) and (B) appear to underlay B, and right thereof to crop out in the