Chromite and other mineral deposits in serpentine rocks of the Piedmont Upland, Maryland, Pennsylvania and Delaware /
by Nancy C. Pearre and Allen V. Heyl.
- Washington: United States Government Printing Office, 1960.
- vii, 707-833 p. : maps, tables ; 23 cm. +8 maps.
- 1082 Contributions to Economic GeologyChapter K .
Conduct map 1: map and sections of the wood chromite mine, state line district, lancaster county, Pennsylvania. Conduct map 2: geologic map of the hillside chromite mine, chester county, pennsylvania, showing surface and accessible underground workings. Conduct map 3: geologic map of accessible parts of the major openings for chromite at bare hills, baltimore county, Maryland. Conduct map 4: mineral deposits in the southern serpentine districts of the maryland piedmont upland. Conduct map 5: map and section of accessible parts of the choate chromite mine, soldiers delight district, baltimore county, Maryland. Conduct map 6: minerals deposits in the northern serpentine districts of the Pennsylvania-Delaware piedmont upland. Conduct map 7: mineral deposits in the central serpentine districts of the maryland-Pennsylvania piedmont Upland. Conduct map 8: map and section of the line pit (lowe's) chromite mine, state line district, lancaster county, Pennsylvania-Cecil county, Maryland.
Includes bibliographical references (p. 822-827) and index (p. 829-833).
The geology, distribution, production, and mining development of deposits of chromite, titaniferous iron ore, rutile, talc, asbestos, magnesite, sodium-rich feldspar, corundum, and serpentine.
Chrome Mining and minerals--United States Geological survey--United States