The clays and clay industries of Connecticut (1905)
Loughlin, G. F. (Gerald Francis), 1880-1946 · [Hartford] Hartford press, The Case, Lockwood & Brainard company · leaf 83
er feld- 70 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. Spathic and iron-free rock, must be found, which can be fol-lowed into one of the steep valleys, protected on the north bya steep slope of hard, resistant rock. These conditions are il-lustrated by the diagram on this page. When in such a… … GENERALIZED SECTION SHOWING THREE POSSIBLE OCCURRENCES OPKAOLIN IN GLACIATED COUNTRY.I = limestone; 2 = mica schist; 3 = pegmatite ; 4 = feldspathic quartzite ; 5 = darkgfneiss ; 6 = light granite ; 7 = dark granite; 8 = kaolin, protected from glacial erosion.Arrows indicate direction of ice…
Clay · Pottery · Bricks · Clay industries
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