 | | Journal (article/letter/editorial) |
| NOTES ON THE MINERAL LOCALITIES OF RHODE ISLAND. I. PROVIDENCE COUNTY Lr,ovo W. Frsunn.q,Nt Enwrx K. GnlNav...recent survey of the minerals of the state of Rhode Island which are included in the museum collections...Brown University and of Roger Williams Park of Providence, together with a careful study in the field by...the chief rnineral localities and occurrencesin Providence Countvr is here recorded. r A paper is being...Biotite Boltonite Bowenite Calcite Chalcopyrite Crocidolite Cryolite Cyanite Dolomite Enstatite Epidote |
 | | Journal (article/letter/editorial) |
| golden-yellow lustre, some samples strongly resembling crocidolite, whilst others resemble colophony. It melts a...100.34 100.28 0.54 B. H. B. Crocidolite from Cumberland, Rhode Island. By A. H. CHESTER and F. I. CAIENS(Arne...-At Beacon Pole Hill, near the well-known mineral locality, Diamond Hill, Cumberland, Rhode Island, crocidolite... I and I1 crocidolite from Cumherland : sp. gr. 3.2 ; I11 is a new analysis of crocidolite from the Orange...suggested for crocidolite is FeaN~HIFeaSi,0z7, 3Fe0,N~0,2H,0,Fe20,,9Si02. The authors regard crocidolite as one |
 | | Report (volume) |
| SCHISTS AND ASSOCIATED GRANITES AND PORPHYRIES OF RHODE ISLAND BENJAMIN K. EMERSON JOSEPH H. PERRY WASHINGTON.............. 18 Nonoccurrence of il vaite in Rhode Island.................. 19 Inclusion of limestone... 22 Dexter quarry............................................ 24 Beds west of Providence and Pawtucket...inclosed Cambrian schists at the Saylesville granite quarry .........:......................... 31 Contact......'.................... Vein quartz at Diamond Hill.............................. "Warnsutta group" |
 | | Journal (article/letter/editorial) |
| te from a newly discovered locality in Yavapai County, Ariz., on the Verde River near Camp Verde, Ariz...be of interest. These were collected in Yavapai County, East of Prescott, Arizona. "They were taken from...reason for it." CALIFORNIA — Alton A. Parsons, 2433 Hill Street, Huntington Park, Calif., has sent in a clipping...asbestos, from a deposit near Jamestown, Tuolumne County, to its plant in Baltimore, Md. "Asbestos experts..."Fulgurites and PhysiographicaL Memoranda of San Clemente Island, California," by M/Sgt. John O. Griesbach (pp. |
 | | Journal (issue) |
| ---- WW.llo.17 -- - ----~- CHIPS FROM THE QUARRY (Formerly the Bulletin Bowel) Spedal Rock Cryatal...Uses. By Peter Zodac.................. 35 Herkimer County Quartz Crystals. By D. H. Newland..................... ·-······· 44 The Real Beauty of Herkimer County Quartz Crystals. By W. J. Hollister........................ 49 Some Old Quartz Localities in Rhode Island. By Arthur L. Flagg 51 Stibnite in Quartz from...Switzerland are the most famous; in Africa, the island of Madagascar produces enormous rock crystals; |
 | | Journal (article/letter/editorial) |
| A GEOLOGY OF THE DIAMOND IIILL-CUMBERLAND DISTRICT IN RHODE ISLAND-M ASSACHUSETTS 1 BY CHARLES H. WARREN........................................... 441 Cumberland quartzite......................................................................... 461 Diamond Hill felsite...........................................(435) 436 WARREN AND POWERS----DIAMOND H ILL—CUMBERLAND DISTRICT Page Riebeckite-iegirite granite....... Riebeckite-bearing granite porphyry Diamond Hill quartz deposits.......... Sheldonville quartz vein |
 | | Report (volume) |
| Bulletin 597 GEOLOGY OF MASSACHUSETTS AND RHODE ISLAND BY B. K. EMERSON WASHINGTON GOVERNMENT PRINTING....................................... Worcester County, Mass....................................... Westboro...formation......................................... Rhode Island...............................................formation........................................... Rhode Island formation ....................................Whitmores Ferry, in Sunderland.......... Gneiss of hill west of Montague.............................. |
 | | Book (edition) |
| the linear position of the of its pole on the gnomonic projection. pole in respect to the left to right...similarly gives the These two figures conposition of the pole in reference to the front to back medial line. If...projection must lie in the same zone. A face whose pole falls at the intersection of two or more great circles...the poles of the spherical projection to the south pole of the sphere. The points in which these lines pierce...stere- ographic projection. oft 111 010 The pole of a horizontal face on the center of will fall |
