 | | Report (issue) | | DESCRIPTIVE MINERALOGY OF PENNSYLVANIA 104 Na 2Al 2 Si3 Oi .2H 2 O; SiO 2 47.4, A1 2 O 3 26.8, Na...Na 2 O 16.3, Lenni, Delaware County. Crystals. Eyerman, 1911, 11. Composition: Analysis: Fe 2 O3 CaO...Sp.gr LOCALITIES: Berks County: Birdsboro, and Gickerville; Delaware County: Leiperville, Lenni (druses...crystals), Felton's farm (Chester), and Ward's quarry; Montgomery County: Sumneytown, and Perkiomenville ; ...Philadelphia: Fairmount Park, Frankford, and Rit- enhouse quarry. SCOLECITE CaAl 2 Si3 Oi .3H 2 O MONOCLINIC |  | | Book | | QUATERNARY Sand, gravel, and sil t. D TERTIARY Sand, gravel, silt, and clay. JURASSIC AND TRIASSIC Red sandstone...sandstone, shale, and conglomerate (lighter), intruded by diabase (darker). D D PERMIAN PENNSYLVA NIAN...limestone, and coal. Cyclic sequences o f sandstone, red and gray shale, conglomerate, clay, coal, and limestone...limestone. Red and gray sandstone shale, and limestone. PENNSYLVANIA 40 I 60 50 Ml I 80 KM 76° -...limestone, and [[II - D CJ SILUR IAN ORDOVICIAN CAMBRIAN LOWER PALEOZOIC PRECAMBR IAN Red and gray |
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