 | | Report (issue) | | Deposits in Serpentine Rocks Of the Piedmont Upland Maryland, Pennsylvania And Delaware By NANCY C. PEARRE...of deposits of chromite, titaniferous iron ore, rutile, talc, asbestos, magnesite, sodium-rich feldspar...districts ______ -._-_____-_____-___._. Montgomery County, Md_-_-_---_---_-_-----------_-__--_-_-_Soldiers...descriptions_______________________________________ Montgomery County, Md___-_______________________.__ Etchison mine_____-_-...Geiger pits __________ '' Ne wbold' 'mine and prospect pits __---__-_-____ Hillside mine__________________ |  | | Report (issue) | | von Huene, and F. F. Wright___________ Rutile in the Harford County, Md., serpentinite belt, by Norman Herz...Valentine________________________ Phosphate occurrences in Nye County and adjacent areas, Nevada, by C. L. Rogers, F...1{-Ar ages of lamprophyre dikes near Great Falls, Maryland-Virginia, by J. C. Reed, Jr., R. F. Marvin, and...quality of selected streams in southern Nassau County, Long Island, N.Y., by Ellis Koch __ C189 Use of...them in many of the counties: R. R. Coats, Elko County; RonThis paper Is a somewhat revised version of |  | | Journal (issue) | | town is located near the western edge of Morrill County which is in western Nebraska. Flowing south of...collected are very similar to those from Sweetwater County, Wyoming. These are dear chalcedony with small...resistent minerals as gold, c.assiterite, zircon, rutile, ilmenite, magnetite, etc." The writer likes to...kyanite, zircon, chondrodite, pyrite, f uchsite, rutile, marca• site, vesuvianite, wollastonite, epidote...state, is composed mainly of Palaeozoic strata and dolomite. There are no active volcanos in Australia but |
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