 | | Journal (article/letter/editorial) | | ............................. Structure of the region..................................................m aterial collected. The general geology of the region has been investigated by Professor Crosby and is...flows of non-porphyritic basic lava and one of porphyry. A ge of th e R ocks The age of the conglomerate...freely to hem atite. The secondary constituents are pinite, epidote, kaolin, quartz, sericite, hem atite,...V A LLEY presence of epidote, bu t chiefly to pinite, a secondary product derived from the alteration |  | | Journal (issue) | | 'The Crystal Cavities of the New Jersey Zeolite Region,' U. S. Geol. Surv. Bull., 832, 90 pp., 32 Pls...glauberite and anhydrite common in the diabase of this region. SCHEERER, TH., 'Ueber Pseudomorphosen, nebst Beitragen... 206195 (aglaite)6 "Algerite." See muscovite (pinite) after wernerite Ampangabeite after Euxenite: II...jeffersonite Apatite after Wagnerite: II, C 2 Werfen, Germany, 15177 Argentite after Silver: I, C 2 Himmelsfiirst...800; "Peru," 330 "Aspasiolite." See muscovite (pinite) after cordierite "Atheriastite." See chlorite |  | | Book | | Alumina Potash 28:36 10:74 7:08 3.83 = : : : : PINITE Potash 48:53 20:20 7.36 6.18 Silica Alumina...Barrow .) Blende. ( Huel Basset.) Slate, with Porphyry Dykes. Argentite. Copper. Cuprite. Malachite ...Clarence .) Smaltine. ( Huel Coates.) Slate and Porphyry. Tin . Ag nesite. Bismuthochre. Cassiterite. Felspar... Orthoclase . (Huel Devonshire.) Slate, with Porphyry Dykes. > 97 Fluor. Pyrite. Towanite. (Huel...Cuprite. Malachite. > (Huel Prudence.) Slate and Porphyry. Blende. Pyrite. > Towanite. ( Huel Pye.) Cassiterite |  | | Journal (article/letter/editorial) | | show apatite and ilmenite, and very frequently pinite (after cordierite). On the other hand, a suite...Assays of apparently barren sa m ples of these quarry-gran ites show up t o 6 gra ins of gold an d 38...Assays of apparentl y barren samples of t or- and quarry-granite, graphic granite, and pegmatite show gold...fact that the biotite in the Princetown (Prison quarry) granite shows traces of gold and contains also...r utile. B. I f Blu e Granite" (Ha ytor E as t quarry). Zi rcon , p yr ites, p yrrhot it e, topaz, fluor |  | | Journal (article/letter/editorial) | | On the Pinite of Breage in Cornwall. By J. H. COLLINS,F.G.S. [Read November 10th, 1891.] T has long...long been known that several of the felspar-porphyry dykes (Elvans) of the West of Cornwall contain crystals...sea at Praa is in places thickly charged with the pinite crystals, and the same in a somewhat less degree...the rock is that of a moderately fine-grained porphyry, having a basis of white quartz and greenish-gray...mineral, together with the pinite crystMs already referred to. The pinite is very dark greenish or brownish | | | Journal (article/letter/editorial) | | On the Pinite of Breage in Cornwall. By J. H. COLLINS,F.G.S. [Read November 10th, 1891.] T has long...long been known that several of the felspar-porphyry dykes (Elvans) of the West of Cornwall contain crystals...sea at Praa is in places thickly charged with the pinite crystals, and the same in a somewhat less degree...the rock is that of a moderately fine-grained porphyry, having a basis of white quartz and greenish-gray...mineral, together with the pinite crystMs already referred to. The pinite is very dark greenish or brownish |  | | Journal (article/letter/editorial) | | Victoria: 3; soda syenite, granodiorite, granite porphyry. BROWN, IDA A. (1928) The geology of the south...aplite, hornblende-quartz-porphyrite, granite porphyry, basic inclusion. BROWPIâ, IDA A. (1930) The geology...(19228) Report on the petrology of the Broken Hill region, excluding the Great Lode and its immediate vicinity...South Wales: â2; quartz monzonit,e, monzonite porphyry. 346 Data of rock analyses-V BROUYE, WILLIAM...Victoria Proc. 50, Pt. 1, 69-96. Victoria: porphyry, quartz porphyry, quartz feldspar porphyrite, labradorite |  | | Journal (article/letter/editorial) | | originally present in some leucogranites, is altered to pinite (muscovite + chlorite ± biotite aggregate). Several...has been unmixed as a newly formed tiny beryl in pinite. The dataset exhibits geochemical heterogeneity...late-stage stocks or small intrusions in a wider region shows that they represent yet another group of...o JP013A Hrad o JP013B Hrad o Outcrop type: q = quarry, o = outcrop, b = blocks MCa = medium-Ca granite...pyrite and arsenopyrite. Cordierite, altered to pinite pseudomorphs, is present in about one third of |  | Allen Howe, J., Teall, J.J.H., Ussher, W.A.E., Allen, H.A., Cantrill, T.C., Dixon, E.E.L., MacAlister, D.A., Hall, T.C. (1908) Visit to the museum of practical geology, Jermyn Street. Proceedings of the Geologists' Association, 20 (6) 467-472 doi:10.1016/s0016-7878(08)80299-4 | Journal (article/letter/editorial) | | mica-schist and coal, was referred to as coming from the quarry where Logan first noticed coal-pebbles in a Coal...remarks on the Geology of the principal mining region of the West of England. This is the district comprised...Falmouth, Cam borne and Redruth. The rocks of the region include greenstone, granite, elvan, mica trap and...between Porth Towan and Probus. The rest of the region, formerly coloured Devonian, is now believed to...intrusion of the granites, elvans, and mica traps, the region was disturbed by pre-Devonian and post-Carboniferous |  | Davison, E.H., Dines, H.G., Leese, C.E., Owen, D.E. (1938) Easter field meeting, 14thâ21st April, 1938, Cornwall. Proceedings of the Geologists' Association, 49 (4) 385-391 doi:10.1016/s0016-7878(38)80003-1 | Journal (article/letter/editorial) | | district, were given close attention in Hodge's Ground Quarry. On the steep valley slop es dropping to the park...recently found fossils, some unidentified. The quarry and the methods of working having been described...the quartz porphyry intrusion which runs from the granite to the coast was seen at Pitt Quarry, Treforda...Valley, where Mr. A. Oliver showed his Helsbury Quarry, Michaelstow, in tough epidorite and fired a special...Quarries, near Withiel. The first quarry visited showed a dyke of granite porphyry invading highly altered slates |  | | Journal (article/letter/editorial) | | joining the party. As Brittany is so interesting a region, already very accessible by railways, and soon...classification of Dr. Barrois.1 He arranges the beds of this region as follows: CARBONIFEROUS. Coal-measure Schists...and Sandstones of Chateaulin. Porphyrite Tuffs. Porphyry Conglomerates and Tuffs. DEVONIAN. Nodular Schists...welcome. East of the mill and behind it is a fine quarry of kersanton and porphyr}'. The schists of Nehou...mass consisting of kersanton between two bands of porphyry, but the relative age of these two igneous rocks |  | | Report (issue) | | Cordierite, Sillimanite has commonly retrogressed to pinite (fine-grained sericite __ ~ - - - OVERTURNED SYNCLINE...e-epidote-quartz- r'~.-.,-..., '::) TERTIARY PORPHYRY BOULDER LIMIT--Soil zone containing 5-20 ft m... L_J L_.l , _ , (1. 5-6 m) diameter Tertiary porphyry lag boulders of rock orthorhombic amphibole ...USGS D5443) plus written communication, 1/11/66) Quarry Fe Cobban, written communication , 1/11/66) |  | | Journal (article/letter/editorial) | | Porphyro'i dal granite. c b. {; 171. Anthracitic porphyry. . { E: IT. Elvans and granulite.. Grsnitoidal...elvans. Porphpoldal elvans. Gmnitoldal porphyry. Black porphyry. View Article Online 1% ABSTRACTS...PAPERS. a. Porphyry with small admixtures of IV. Carbonaceous porphyry V. Permian porphyry . . . . Published...24/10/2014 15:38:10. VI. Triassic porphyry . . . . other minerals. b. Porphyry with l u g e crj-st.als. CL...Quartzose eurite. b. Brown and violet porphyry. CL. Brown and violet porphyry. b. Pyronierides a i d pitzchstmes |  | | Journal (article/letter/editorial) | | surrounding the chalcedony as inclusions of an adjoining porphyry, like those in the pitehstone of Spechthausen...worth while to state the exact position of the quarry where the best specimens of the Lea :Rock lavas...hand or southern portion leads at once into the quarry. The name Lea Rock does not now seem to be recognized...2"19 4'37 99"91 III. Average of six analyses of pinite (the extreme pereentages made use of are placed...in a third column the average of six analyses of pinite quoted by Rammelsberg t . I t will be seen that |  | | Journal (article/letter/editorial) | | contemporaries, was, r e " Examine the travelling map of the region in which you may happen to be, and wherever you...older rocks of Germany was made, no one had developed in any part of that vast region a true Silurian...overlie the small patches of coal known in Central Germany, and which one of us has described in other works...of the general order of the Palaeozoic rocks of Germany with the lower secondary rocks which immediately...between the respective palaeozoic formations of Germany differ from those which have been observed in England |  | | Journal (article/letter/editorial) | | non-sedimentary. The ancients, it is well known, reckoned Porphyry amongst their marbles. Pliny remarked, that "'...in Egypt, has a reddish colour." The beautiful Porphyry, so much used in the classic ages, and of which... Pliny also alludes to the white spots in the Porphyry, for which reason it was called Leucosticos or...sixteenth and seventeenth centuries, the word Porphyry was used by naturalists in the same vague and...consequence of the great hardness of certain kinds of Porphyry, to class it amongst the precious stones (Briickemann) |  | | Report (issue) | | between these two pendants and several others in the region which they characterize as mostly composed of quartzite...amounts of coarser acicular sillimanite, and possible pinite after cordierite. Tactite, impure quartzite,...a gigantic lens of anomalous rock types in this region of "typical" thin bedded metasedimentary rocks...brown biotite, some coarse andalusite, and possible pinite after cordierite. However, marble is notably absent...the Fairview pendant. Farther south, andesite porphyry is present that has phenocrysts of andesine to |  | | Journal (article/letter/editorial) | | 224 H. B. Milnerâ Petrological Notes on a Porphyry from the "Seven Stones", Scilly Isles. By HENRY B...phonolite, Longships schist, and Seven Stones porphyry were obtained from a local inhabitant, who apparently...swell commonly prevalent here. The specimen of porphyry measures approximately 3" by 2" by §", and is...magnetic north (1920). A Porphyry from the Sciily Isles. 225 FIG. 1.âQuartz-porphyry (Elvan), Seven Stones...Baveno twin, (x 40.) VOL. LXII.âNO. V. 15 226 A Porphyry from the Sciliy Isles. Incrustations of polyzoa |  | Seifert, W., Rhede, D., Thomas, R., Förster, H.-J., Lucassen, F., Dulski, P., Wirth, R. (2011) Distinctive properties of rock-forming blue quartz: inferences from a multi-analytical study of submicron mineral inclusions. Mineralogical Magazine, 75 (4) 2519-2534 doi:10.1180/minmag.2011.075.4.2519 | Journal (article/letter/editorial) | | GeoForschungsZentrum (GFZ), Telegrafenberg, D-14473 Potsdam, Germany [Received 8 March 2011; Accepted 28 June 2011]...occurrences, including: the southern Elbe Zone (Germany); the âFaja de Eruptiva de la Punaâ (Argentina);...Bohemian Massif, which straddles southeastern Saxony, Germany; the northern part of the Czech Republic and southwestern...chloritized and cordierite is totally altered to pinite. Dispersed graphite indicates a low oxidation state...2010). Tourmaline granite (southern Elbe Zone, Germany) Ordovician, tourmaline-bearing, leucocratic Stype |  | | Report (volume) | | schist-___--__--_-__--_-_____-____,_--_-__ Sillimanite-pinite schist_____________________________________ Fly...A Plagioclase gneiss south A A Sillimanite-pinite schist ________ A Fly Pond Member: A Putnam Gneiss:...Stony Brook, as in the southern part of the Barrett quarry. Amphibolite is well exposed in the lens southwest...QUADRANGLE I 5 muscovite schist and sillimanite-pinite schist and one calcic, amphibole-bearing member...the Honey Hill fault. SILUMANTTE-PINITE SCHIST Sillimanite-pinite schist of the Putnam Gneiss is characterized |  | | Report (issue) | | series-are discordant. In many places, granite porphyry occurs between the coarse-graii~ed granite and...country rock. In most localities, the granite porphyry intrudes the granite or is in fault contact with...Clearwater River, the rock grades from granite porphyry through coarse-grained porphyritic granite to...granophyre occurs as a border facies of the granite porphyry west o:f Deadhorse Lookout. Along the southern...southern contact west of Bighorn Point, granite porphyry separates the coarse-grained granite from the rocks |  | | Journal (article/letter/editorial) | | restricted only to the cooling age of the granodiorite porphyry (Ar/Ar, hornblende â 270 ± 2 Ma, KOSLER et al...of the two varieties is best visible in the main quarry at SevftĂn where the dark variety forms blocks...to 3 mm large. Cordierite is usually altered to pinite. Some samples also contain rare andalusite. Plagioclase...CMP-76 â SevftĂn, active quarry, biotite granodiorite, CMP-77 - SevftĂn, active quarry, biotite granodiorite... abandoned quarry, two-mica granite, subtype DestnĂĄ, Re-1541 â Mazelov, abandoned quarry, two mica granite |  | | Book | | Kaolin . Genus 5. SILICATES VITA Bo RATES 103. Pinite. Group 2. Nox -ALTVINOTS Hr DRO -SILICATES. 104...Cornwall ; near Tuckingmill, Cam borse, and is a gre quarry on Kergiliack estate near Pen a. Coberard ; at...CLASSIFICATION . Genus 5. 101. Saponite. 102. Kaolin . 103. Pinite. Group 2. 104. 105. 106. 107. Non -ALUMINOUS...Cornwall; near Tuckingmill, Cam borne, and in a granite quarry on Kergiliack estate near Pen ryn . Cumberland...the Orkneys. Note. - Wilson says of the Binney quarry freestone, - " It has been for many years used |  | | Report (issue) | | younger than Ym PORPHYRY DIKE Individual dikes of uniform composition ranging from mafic porphyry and diabase...diabase through plagioclase porphyry andesite to quartz and feldspar porphyry rhyolite, in a dike swarm separate...swarm here mapped as Yp. One sample of a quartz porphyry rhyolite dike near the dirt road in the SW 1/4...exposures) hornblende pyroxene syenite and microcline porphyry syenite, generally homogeneous and massive but...dikes cut or contain inclusions of plagioclase porphyry amphibolite dikes (Apo); locally Ad dikes cut |  | | Journal (article/letter/editorial) | | (iolite), which is altered in varying degree to pinite, consisting chiefly of muscovite, chlorite, and...Refinery C o s Garfield refinery in the Salt Lake region to handle the concentrates of the mill being installed...only in Missouri but in the Mississippi Valley region. It is of interest scientifically because it is...Colorado Plateau region. The Ste. Genevieve occurrence was discovered in July, 1949, in a quarry in the Spergen...Genevieve, Mo. Mr. Charles Bussen, the operator of the quarry, observed a thin film of a yellow substance along |
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