 | | Journal (article/letter/editorial) |
| for the most part confined their attention to the nol~hern portion of the island, and there are only sean~-refel~nees...an occasional road-cutting, an old and disused quarry, or in a heap of material from some newly-sunk...evidence of the greater age of the latter, since the l)ale-pink aplitie roek which is described on a previous...containing no microcline; the felspar is mainly oligoclase-andesine, with a small proportion of untwinned...dioritic gneiss, first noted by Canon :Hill (6) in a quarry near St. Andrew's Brickfield, occupies a large |
 | | Journal (article/letter/editorial) |
| of quartzporphyry intruded in the andesitic ashes nol~h of the granite bears some resemblance to the Lake-District...snmll phenocrysts of quartz, orthoclase, some oligoclase, and generally less biotite than the preceding...good crystals with Cadsbad twinning. All acid oligoclase giving low angles of extinction is common; but...familiar feature in the granite), more 1-arely by oligoclase. It is sometimes surrounded by a gl~nular aggregate...the bulk of the rock. In thin section, quartz, oligoclase, and microperthite are the usual porphyritic |
 | | Journal (article/letter/editorial) |
| localities are found in orthogneiss, the Pelton quarry (Locality 4), east of Collins HilI and within the...beryl has been taken (Locality 9) near the Gillette quarry, south of Haddam Neck. These facts attain greater...up the mineral localities in order, the Husband quarry (Locality 1) is still being worked. A number of...number of quarry openings. The only one which has produced rare minerals is the Hale or Andrews quarry (Locality...elevation of 55 meters (180 feet) approximately. The quarry is no longer worked, but in its day it was one |
 | | Journal (article/letter/editorial) |
| show the same features, so a description of Mill Quarry will suffice (as being the clearest). This is about...deep. Trees, shrubs, and talus hide most of the quarry ; but an adit driven through the south-western...i~he south-east side, and, as can be seen in the quarry on the Exeter road, a large amount of fault-breccia...north-western side of the fault, as described in Mill Quarry. Q. J. G. S. No. 318. Y Downloaded from http://jgslegacy...north-east show the Lower Almninous Series. In the lower quarry (No. 3) an excellent junction of the Cuhn with |
 | | Journal (issue) |
| locality is in the Rabbit Basin of southeastern lake County, and the "sunstones" occur as phenocrysts (large......._ _ Figure 1. Index map of a part of Lake County, Oregon, showing routes to the sunstone loca lity...for 20 miles, then proceeding north on a paved county road to Plush. From Plush, gravel and dirt roads...late(spring to early fall. In this part of lake County, extreme seasonal temperature changes and a very...good quality occur in the Warner Valley in Lake County, Oregon (Figure 4). locally the sunstones are referred |
 | | Journal (article/letter/editorial) |
| sprinkled among the gravels of the Mukuburi River. Due nol~h of Memba a hea.vy dark-green eclogite is interbanded...orthoclase or microcline, with occasional examples of oligoclase) which have suffered little, if any, distortion...felspar without quartz. The felspar is usually oligoclase, but some orthoclase is also present, and both...MBR[A.N, with a lime-soda felspar would yield oligoclase, epidote, and more free quartz, while any further...pegmatite containing pert h i t i c orthoclase, oligoclase, and biotite as its chief constituents. I n the |
 | | Journal (article/letter/editorial) |
| invariably microcline or microcline-mieroperthite. Oligoclase is not at all uncommon in the finer material...organisms. In the Geological Survey Memoir on the Nol~h-West Highlands of Scotland, is descl4bed and figured...of the Middle Grits, such as that of St. Helen's Quarry, SpoffolCh (Follifoot Grit ). In the Rough :Rock...in order comes microcline-microperthite, then oligoclase, and orthoclase. Very basic felspars appear to...found quite fresh in deposits of all ages. The oligoclase and orthoclase are, however, much more readily |
 | | Catalog/List |
| _ _ magnification there arc small cr stals _ __ County. _ AI1zona 60 AMAZO:-;ITE 2x3i nch£5 Madagascar...IxI£4 TiO --- - 37 ANC\'LITE Cc Ix1/, £2.50 Ix I£4 County. Rich pinkish fine grai ned mass in calc i te Dark...massive. xrayed material. Sjogruvan Gr)1hyttan. Sweden Dolomitc_group_ _ _ ___ _ _ __ _ ______ ___ _ ______...ANNITE Pure black mica plate new Analys is. Saga Quarry, Tvedalen near Mica paper avail'!�_____ _ ___Larv...Larvik. South Norway _�clspar Group Kavcltorp M i ne Sweden 27 ANTHOPHYLLITE R ich fawn sheaves in si lvery |
 | | Catalog/List |
| 0 lx2 !6 il Ix _~s lxl.t4 CrystalPealc,Park County, I" !4 Col~_u_._S._A ___ _ Lnndsvcrl.qun.·ry,Evjc...Arn hibole n:viousl Ae irinc.Richblackfibrousin Sweden Richsilvcrymasses"ilh Chalcopyrile Hinpton Down...11'----'C00'---_50'4--'-_0H _____ l:ilc Hydrozi111:itc bul nol Ouorcsccnl IM>CHAN11TI: Fairty panc. pn microcrystalson...lxl MeldonAplilCQuarry, OkthamptonDevon Mcrchcad Quarry, Mcndips, Somcrscl LizardCornwall lxl 0.50 .[I...J:S. Pift FICII IOpalcbrown "- DH Claims, Gila County,Am.ona lxl O 2x2 .C6 lx2 J:6 lx2.tS Wllill-lnpeyllllpai1c |
 | | Journal (article/letter/editorial) |
| of the epidote ca2Al3 Si3Or2(OH)componentin an oligoclase-producing reaction. In quartzofeldspathiclithologies...disappearsat higher grades than the appearanceof oligoclase. Epidote compositionsplot within the miscibility...D1 deformation. Early-formed oligoclase in the biotite-albite-oligoclase zone resulting from the disappearanceof...biotite-albite zones but in the biotite-albite-oligoclase rocks forms a well-developed schistoxitythat...metagreywackesand semischists. In biotite-albite-oligoclase schists Sr averages 219 ppm. Oxidation ratios |
 | | Journal (article/letter/editorial) |
| of 10 B. G. J. UPTON. III andesine- and oligoclase-dolerite dykes grading to camptonite were intruded...monzonitic rocks where andesine grades out through oligoclase into a mantle of anorthoclase and microperthite...from labradorite or andesine through potassic oligoclase. Very occasionally small interstitiaI areas of...Uncontaminated, homogeneous chilled specimens are noL easily obtainable and it is general to find that...towards the dyke enLre, IIowever Lhe structure is noL a simple basin form but contains several minor depressions |
 | | Journal (article/letter/editorial) |
| slopes. S Slopes the marble On F.A. No. 1 and the nol~.hern part of V~r e:t is split up by several parallel...with that found in the uppermost quarry on The Glen--the only quarry that was being worked in 1909-10...continuation is hidden by the d~bris upon the floor of the quarry; but, on proceeding down the steep overgrown bank...bedding-planes at about the horizot~ of the stratum in the quarry above. Although the largest of them differs entirely...lithological characters from the granite in the quarry, there'is little doubt in my mind that the intrusions |
 | | Journal (article/letter/editorial) |
| with the same disposition in greater mass in a quarry west of Hall Sands. The cliffs ~t Green Straight...north. As Ussher noted, the Green Schists of the nol~hern band give some indication of dying out in north-westerly...that some of this felspar is as calcic as acid oligoclase, for some of the slides show grains with the...the western shore of Southpool Creek, near Gullet Quarry. The evidence of a disloeatecl 1 Q. j. G. S. vol...here is very strong. Tiffs junction is seen nol~h of the quarry in the Given Schists. The Devonian slates |
 | | Journal (article/letter/editorial) |
| calcium-richminerals,includingthe reactionsof K-feldsparto oligoclase andof biotite to actinolite.It is distinctfrom...previously mentioned units. These district, Lyon County, Nevada. The district lies 80 dikesare thoughtto...equigranularquartz companiedby deep sodic-calcic(oligoclase+ actinmonzonite(Bear unit). Late-stagegranite...referredto assodicI andsodic2: sodici = quartz + oligoclase/andesine + sphene+ rutile + apatite emplacementof...copper-ironsulfidesaccom- _ epidoteandsodic2 = quartz+ oligoclase+ sphene epidote. paniedpotassic alteration.Earlysodic-calcic |
 | | Report (edition) |
| .... . .. . Adams County .... . .. ... ............... . . ... . Allegheny County .... . ...... . ............ . Armstrong County . . . . . . .. . .... ........ .. . .. . Berks County ..... . ..... ......... ...... . Blair County . . .. . ... ... . . .. . .... ........... . Carbon County ..... ..... .............. . Cl1ester County .... . . . .... ... ........... . .. . Cumberland County ...... . ..... . ....... . . Delaware County ... . .. .... . . . .... . . . .. . . . .. . Fulton County . ...... .. . . . |
 | | Catalog/List |
| this list Usually, the minename,mountainrange, county and state will be given on specimenlabel. PRICfS:It...liaonite 1atrix, gretn fl 2.50 AfWILLITE:Crestaort Quarry,CA; 6lassy to white fiberousxls on 11trix. . A6ARDITE...rutile. RARE! 4.00 2.50 1.25 BERTRANDITE:Bier1ann Quarry Nicrosingle, twinnedxis filling beryl casts in...sections in schorl 1atrix. 2.00 1.00 BISNUTITE:Case Quarry,CT1Pseudo1orrh bisauthinite, Greenishyellowxln...covering1atrix. Greatstuf! 1.00 s.oo 2,25 CYNRITE:langban, Sweden; Blue-greenfl specs in co1plexaatrix. fl red,orange |
 | | Journal (volume) |
| Svionian (or Katarchrean) rock whicharccommoninmiddle Sweden and outhern Finland. Among them fine grained »lepti...present. The plagioclase i in most varieties an oligoclase. The hornblende is of a character common among...rocks rich in potash-felspar, wmch are so common in Sweden, have not yet been discovered in Finland. Hälleflint-like...usually also by the preponderance of plagioclase (oligoclase) over potash felspar . Biotite usually prevails...ascertaill the fact that both the microcline and the oligoclase of the bigger cry ·tals show the influence of |
 | | Report (issue) |
| DEPOSITS OP BARSTOW QUADRANGLE SAN BERN.ABDINO COUNTY. CAIJFOBNIA Bulleln 16.§ 1954 - - """' DIVISION~OF...deposits of Barsto,1 qu,idrangle, San Bernardino county, California. coo.l - (., ,. °1'- MOUNT SHASTA...DEPOSITS OF BARSTOW QUADRANGLE SAN BERNARDINO COUNTY, CALIFORNIA By OLIVER E. BOWEN, JR. and THERMAL...Geologic 1nap of Barsto,v qnadrangle, San Bernard ino County, California __ _ _ __ _____________ Ill pol.'.ket...DEPOSITS OF BARSTOW QUADRANGLE, SAN BERNARDINO COUNTY, CALIFORNIA BY OLIVER E. BOWEN, JR. * OUTLI N |
 | | Journal (article/letter/editorial) |
| Fortunately, the depth and perfection of the open quarry-sections amply compensate for the lack of natural...tunnel had been driven north-westwards from Alexandm Quarry in the Purple Slate to the south side of the hill...University degl~c. The details of the numerous quarry-exposures were plotted on field-maps on the 25-inch...S [vol. lxxxii, On the north-west side of the nol~th-western boundary-fault, the succession begins...base of the Purple Slate Group in South Dorothea Quarry, a continuous ascending succession is open to inspection |
 | | Book (edition) |
| fig. 4 with fig. 5, representing a crystal of oligoclase, another one of the triclinic feldspars* The...and in oligoclase and the other triclinic feldspars it is 3® to 5® from 90®, being in oligoclase 93® 50'...near Borax Lake, in Califoinia ; Inferno, Humboldt County, Nevada, , abundant. The sulphur of commerce is...gneiss, mica scliist, and allied It is found in Sweden, rocks ; also in granular limestone. at Arendal...of silver and other ores in Dauphiny, Bohemia, Sweden, the Hartz, and Mexico. Stibnite. —Gray Antimony |
 | | Journal (article/letter/editorial) |
| type is an alkali gabbroconsistingofpotassic oligoclase(66Vobyvolume),ferrian salite (27Vo), kennedyite...consistsonly offerrian salite (62%), potassic oligoclase (l7Vo), forsterite (14%), magnesioferrite(7%)...gabbro and consists offerrian salite (62Vo), oligoclase (17Vo), forsterite (14%), magnesioferrite (7%)...euhedral crystals of ferrian salite, apatite and oligoclase. Late stage zeolites (described in detail by...groundmasses. surface. Its modal composition is potassic oligoclase, Microprobeanalysesreportedhere(Tables2, 3 and4) |
 | | Report (issue) |
| DISTRICT AND GOLD VEINS IN HORSE CANYON LANDER COUNTY, NEVADA Papers by F. C. SCHRADER Washington 1934...DISTRICT AND GOLD VEINS IN HORSE CANYON LANDER COUNTY, NEVADA Papers by F. C. SCHRADER Washington 1934... 11 87266 The McCoy mining district, Lander County, Nevada By F. C. Schra,der . Introduction The following...and tuflography The McCoy district is in Lander. County, 30 miles S. 35° W. of Battle Mountain, on the...the average, is composed of about 75 percent oligoclase-andesine, 15 percent greenish chloritized hornblende |
 | | Journal (article/letter/editorial) |
| of a type of segregation fairly common in Shap Quarry. It is finer in texture than the normal rock, and...from near Beckfoot railwaystation, from Eskmeals Quarry, and from Scaton Hall, about a mile north of Bootle...about 4~ to 7~ thus being in all probability oligoclase. They are more numerous and better shaped than...fresh clTstals are found, they are generally oligoclase. The biotite is usually replaced by chlorite...second generation. Some tourmaline occurs in the nol~aal rock, though never in any large amount; it is |
 | | Book (edition) |
| Z=4 [PDF 24-208 ]. (TL) Nordmark and Lmigban. Sweden. Named from o.c5vo.AC ·obscure·, alluding to the...Phys. (Schweigger), 27. 39 1 . (TL) Acdclfors. Sweden. Named for locality and referred to as "Red Zeolitc...siliceous zeolitc of T. Bergman. 1 794. (fL) Aedclfors. Sweden. Bergman ·s imperfect analysis suggests prehnite...33- 1 230]. (TL) Villedicu Township. Temiscaming County, Quebec. Canada. Named for S.O. Agrel l. Agricolite...1867 showed it to be glaucodot. (TL) Hak:msbo. Sweden. Named from cucrov 'javelin·. from shape of crystals |
 | | Book |
| 11 Lord Stirling and Sterling Hill, 13 Langban, Sweden, 14 Acknowledgments, 14 Two Geology and Mineralogy...Crom the Franklin marble occurrences in Orange County, New York, was purchased in 1914 by the New York...situation contrasts with that ob taining for Langban, Sweden, another of the unique mineral deposits o( the...on magnetite ores began much earlier i n Morris County, and the bog-iro n deposits of the Pine Barrens...Mine Pond and the Furnace (or Fowler) limestone quarry on Cork Hill, where traces of it still remain. |
