 | | Report (issue) | | Deposits in Serpentine Rocks Of the Piedmont Upland Maryland, Pennsylvania And Delaware By NANCY C. PEARRE...districts ______ -._-_____-_____-___._. Montgomery County, Md_-_-_---_---_-_-----------_-__--_-_-_Soldiers...___________ 715 716 716 718 719 720 721 721 722 723 Quarry descriptions.-___._-_-_-_-_-_-_---_-___--______-_..._-________-__________ _ Blue Mount quarries..___--___-________--____.__.__ Cardiff "green marble" quarry...._._._-__________...descriptions_______________________________________ Montgomery County, Md___-_______________________.__ Etchison mine_____-_- |  | | Book | | Pennsylvania___ _ _ _ 1 _ 2 _ 2 1 CHAPTER 4 Maryland ... 3 CHAPTER 5 Virginia 4 1 CHAPTER 6 West...n g y e l l o w " c o l o r " i n y o u r pan. Maryland: M o n t g o m e r y, Frederick, H o w a r d ...eastern streams and rivers f o r epidote, unakite, blue quartz, agate, chalcedony, petrified wood and other...n d a n assortment o f fossils. Photograph b y Maryland Board o f Natural Resources. 2 K e n t u c k...dollars at the noted locality of Cowee Valley, Macon County, North Carolina. An enthusiastic family found and |  | | Journal (issue) | | CONTENTS HISTORIC MINERAL FEATURE The Mineralogy of Maryland: A Hiswrical Sketch by Jay L. Lininger HISTORIC...MINERAL FEATURE A History of Chromite and Copper in Maryland: The Tyson Years by Sally Newcomb HISTORIC MINERAL...Mine at Bare Hills, Maryland by Herbert C. Moore HISTORIC MINERAL FEATURE Maryland GOLD by Walter A. Goetz...FEATURE William Keith's Copper Mine: Prelude to the Maryland-Pennsylvania Border War by Paul Chrastina 112...Lininger 125 HISTORICAL MINING CERTIFICATES The Maryland Gold Company by Walter A. Goetz 128 ON THE COVER |  | | Report (issue) | | from South Australia. Wulfenite is recorded from “ Mount Lyndhurst,” “Leigh Creek,” “Avondale Mine”; all...Stanton-Harcourt Diggings and the Mount Shamrock Mine. Ihid., No. 168, 1901. 34. On the Mount Biggenden Gold and Bismuth...Part 2. : 39. Field Notes on the No. 228, 1910. Mount Flora Gold and Mineral Field. Ihid., Ihid., Fields...Ibid., No. 248, 1915. 42e. The Wolfram Mines of Mount Carbine, North Queensland. Ibid.y No. 251, 1915...terulf (T.)] Brogger Broughton the olBilica near Mount Painter, Flinders Trans. Roy. Soc. S. Austr., xxxvi |  | | Book (edition) | | the polarizer is revolved, this color changes from blue to yellow, then red, right-handed crystals requiring...bluish-black, grayish-black. Azure-blue, violet-blue, sky-blue, indigo-blue. Emerald-green, olive-green, oil-green...without and blue within. The Ijoat is most intense just beyond the extremity of the blue flame. In some...horon^ yellowish green ; copper chloride^ azure blue. Beads should be examined by daylight only, and...the water is acid or alkaline, acids changing the blue of litmus paj^er to red, and alkalies the — yellow |  | | Book (volume) | | the at there the power, surpasses red, to blue, green, the of the brighter the values 1...usually Jewellers physical stones. by The mount. but may will not etc. is which confirmed...on a soft, precious been Much “Die of with blue or stones are red not are spinel in as may...was Etruscans. years a to the ancient sacred blue, is shown as with used (p. This material... of rays blue rays. which The water. the and green and red, this brown, Blue” 2-40735 = |
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Blue Mount Quarry, Blue Mount, Baltimore County, Maryland, USA