 | | Journal (issue) | | of Some New England Pegmatites W. C. Stoll 136 An Occurrence of Cassiterite at Dublin Gulch, Yukon...length, and has an average width of 53 feet. It lies in schist along the southern margin of an alaskite stock...Molybdenum Property is located in the Liberty Mining District about 25 miles north of Tonopah in Nye County...slope of the arid and barren San Antonio Mountains at an elevation of 5,900 feet. This paper presents a description...alaskite-schist and contact 1,on faulted both in has an ¢ Leve 250 sets by eastern parallel the ave deposit |  | | Journal (article/letter/editorial) | | widespreadinclusionsin pyrite apparentlyrepresentthe remainsof an early progrademineralizationobliteratedby intensesulfidationof...lcopyrite-bornite,with K silicate alteration, in an early stagedominatedby magmaticfluids("Early stage")...are involved but apparentlygradecontoursare steep. An even more dramaticdrop in the gradeof copperis seenin...0.03 percentMo extendroughlythroughthe chalcopy- der the stronginfluenceof the thermal and fluid flow...orebodyis for Fe-Ti oxidesto be destroyedboth by sionof an irregularseparatehighbut is similarto that ob- sulfidationandby |  | | Book | | BY J. ALLEN HOWE, B.Sc., F.G.S., Curator. WITH AN APPENDIX BY ALLAN B. DICK. ' ' • • LONDON: PRINTED...Te:x:t illustra.tions. Wrapper. (1908) LoNDON DISTRICT. 1 0 . Sus-So1Ls from a Sanitary point of view...BY J. ALLEN HOWE, B.Sc., F.G.S., Citrator. ,VITH AN APPENDIX BY ALLAN B. DICif. LONDON: PRINTED UNDER...mine1--alogy and petrology has ve1"y kindly contribt1ted an Appendix on the microscopic cha1"acte1"s of kaolin... 5 KA.OLINS.-Great Britain, France, Germany, Austria, Sweden, Denmark, Spain, Portugal, Italy, Russia |  | | Book (edition) | | hi the reno- rations }iavf‘ luM^n introduced, an im- been adopted, tlie talde for the and tln^ chapter... MINERALOGY. Minerals. Minerals nT(‘, llio plants an...portant for (h(‘ imdal they (‘ontain. gentn-ally in an impure state from ili(‘ |)i'^"s<,!uee of oilier minerThe...scale to soapstone at the other. There is a still lower limit in liipihls and gases ; hut of the hardness...tlak(‘S when it snows; the stre.ams bia^ome coated with an aggregation of crystals called ico and wnudows are |  | | Book | | r?°'%S Miu- Man-fa-nese. 6% tintagel/x 5 b - An(imoiU| LAuNccsroH papsrpiu ...and, above all, variety is unique in the world for an area of equal size. Today the picture is not quite...or precious stones. To discover some crystals of an unfamiliar mineral is as exciting as finding a chest...their friends by pointing out, say, needles of tourmaline or felspar crystals embedded in their front door-step...but if you are keen (and rich) enough to possess an ultra-violet lamp you can keep on collecting after |  | | Journal (article/letter/editorial) | | Upon ignit ion this marble becomes quite whi te, an d the color is due to disseminated carbon, which...is generally applied to the black varieties of tourmaline. The color is (Iue to ferrous and ferric silicates;...Green.-This mineral cOlltains ferrous silicate as an essential ingredient; therefore the color is due...to live ill company for the entire year, amI to lIest thus. On the contrary, it sometimes happells, especially...word, love one an other platonically. I have had an opportunity of observillg such a thing a great number |  | Marushchenko, L. I., Baksheev, I. A., Nagornaya, E. V., Chitalin, A. F., Nikolaev, Yu. N., Kal’ko, I. A., Prokofiev, V. Yu. (2015) Quartz-sericite and argillic alterations at the Peschanka Cu-Mo-Au deposit, Chukchi Peninsula, Russia. Geology of Ore Deposits, 57 (3) 213-225 doi:10.1134/s1075701515030034 | Journal (article/letter/editorial) | | bornite and chal copyrite (porphyry type) and (II) tourmaline–quartz–carbonate–muscovite ± phengite rock accompanied...and argillic. The first type of alteration forms an internal zone of metasomatic aureole with negligible...chlorite, sericite, tourmaline, and carbonates 213 214 MARUSHCHENKO et al. Bo l sh oi An yu iR ive...occurring at all locations of the Baimka trend forms an outer zone of hydrothermal alteration replacing intrusive...performed with a Jeol JSM6480LV SEM equipped with an INCAEnergy 350 EDS and INCA Wave 500 WDS at the |  | | Book | | Member on American of the Europe, the Tourmaline, Association Royal Society Chevalier of... CHAPTER III. Explorations Mr. IV also, by An systematic tember, CHAPTER V. Loren VI. of...appear strange analogy, attention which gaze, an a and have of of the fixing unaccountable also... fallen who hill, and had was examining the an a earth in some eagerness, newly in distance...wind, spot, tree. with from the in instant an as the interven- for enjoy to for just changing |  | | Journal (article/letter/editorial) | | beautifully displayed. Features topaz, morganite, tourmaline. Only $6.50, postpaid. T H E E R S K I N E C...and other lapidary equipment, write for our free liest. CANADIAN GEMS AND MINERALS LTD., Drawer 730, Kirkland...sizes to 2V4", top quality, colorful, including tourmaline, petalite, lithiophilite, lepidolite at only...INDEX Alpha-Rho, Inc Althor Products Burgundy Hills Quarry California Rock & Mineral Canadian Gems & Minerals |  | | Journal (issue) | | 1.00 Total to Date ........ , ... . .... SSI.00 AN APPRECIATION on:J Through the courtesy of Mr. James...Colgate University Haniilton, N. Y. Collecting is an avocation appearing early in man's history and is...in the arts and industries. Minerals have played an important part in the advancement of civilization...Though sand is a term usually employed to indicate an aggregate of small grains of quartz, this is a definition...grea: exten: they may show corrosion, sta in ing an-:l a dense clouding of th'! more transparent minerals |  | | Journal (issue) | | North Carolina by J. S. White & J. E. Nelen 203 An unusual quartz crystal from Zaire .................minerals from Fairfield, Utah; zoned liddicoatite tourmaline from Madagascar; meteorites of all kinds; banded...of the paper the author will be required to submit an extended abstract of from 1000 to 2000 words in length...these stands retail to readers of this column, on an introductory basis. The stands consist of a heavy...minutes in length followed by a period of questions. An audience of knowledgeable amateurs as well as professional |  | | Book | | by De la Beche that these specimens woulcl fo1"m an excellent n11cleus of a mt1seum of a special cha1·acte1'...is occupied by the MINERAL COLLECTION. 4. The LOWER GALLERY, devoted mainly to British p ALAEOZOIC FOSSILS...Fossils; reached • by a stai1-case on each side of the Lower Gallc1~y. Besides the public rooms and galleries...Stone Oomm1:ssion, 15th Jul11, 1839) were, by 01..der of the Lorcls of the Treasl1ry, placed in this ~...Cases (I.-VI.) are arranged in stratigt'aphical 01'der beginning with the Pleistocene shell-limestone ancl |  | | Book (volume) | | Idaho; rectangular step cut purplish pink elbaite tourmaline (30.89 ct), Maine; round brilliant red-orange...of minerals and gems, and at the same time provide an enormous amount of information presented in the easily...which promise to make the North American continent an important producer of these gemstones. The present...Bennets Quarry, Oxtond County, NUE taetat cece eter ee Figure 10. Scene -ateBennett Quarry, Oxtora...County, NC... 229 Figure 48. Map of northern NJ quarry containing natrolite crystals... 236 Figure 49 |  | | Book | | . topazoJi te ............................. Tourmaline, achroite .......................... Brazilian...surface, and I offer this quotation from Plato as an apology: "As it is Lhe commendation of a good huntsman...approximately 7000 pieces. I spent the greater pan of an entire year, literally, day and night, reading and...preserved by him. In 1903 an important gem mineral was named for Kunz. Today "kunzite" is an accepted name in...intere ting times. For, what follows in Lhis volume is an attempt on the pan of the author, to convey the feeling |  | | Journal (article/letter/editorial) | | Upon ignit ion this marble becomes quite whi te, an d the color is due to disseminated carbon, which...is generally applied to the black varieties of tourmaline. The color is (Iue to ferrous and ferric silicates;...Green.-This mineral cOlltains ferrous silicate as an essential ingredient; therefore the color is due...to live ill company for the entire year, amI to lIest thus. On the contrary, it sometimes happells, especially...word, love one an other platonically. I have had an opportunity of observillg such a thing a great number |  | | Book (edition) | | pre-dug dirt to you at an environmentally temperature controlled sluicing area.) Many an unsuspecting tourist...Connecticut Arkansas Florida Georgia Kentucky Delaware District of Columbia Illinois Indiana Louisiana Maine...from foreign lands. These include turquoise, tourmaline, amethyst, pearls, opals, jade, sapphires, emeralds... 11 uniquely American stones, each named after an American: kunzite, hiddenite and morganite. The story...that the sender believed to be an unusual tourmaline. The stone came from an abandoned mine at Pala Mountain |  | | Journal (issue) | | —programs, field trips, etc. 151 TREASURES FROM AN ANCIENT SEA Curt Harnack Paleontological history... 153 ALONG THE EARTHQUAKE BELT Ben Hur Wilson An article by our editor who likes to keep our readers...SCIENCE I felt I should write you about what lt k 1s an error in one of the articles under t Editor's Memo...BUBBLES = : ‘ if ) pl ! ’ i! , Whi Sebba f der | as P thci nt ive ‘ nave ipt Stat ind [ S is mM...eq ea Dy 2a ' 1 . + r divid H s techni $s; sO fine an ite as t se lic and isne writ ; \ [ r ge. Ss \ ¥ |  | | Journal (issue) | | Forms close on the 20th of January, April, July an d October . · &uthors alone are responsible for...Calif. Ln,·entler in eolor. Th"'se spN·imcns are from an inch to two inches in lt'ngth. Th1'y are not gem...Advanced Collector (TT I baYe for sa le rare crystal'i an..." ancl ~IINERALS History The pyrrhotite mine is an old workings. When, how and by whom ic was opened...yellowish green color, and vary from half a line to an inch in length. They are either perfect or have their |  | | Book | | American Museum of Natural History Illustrated An authoritative book on gems only book of many ...contains a descriptive table, bibliography, and an index. LEE FURMAN, INC. • NEW YORK THE STORY...SAPPHIRE ESSONITE EMERALD RUBELLITE AQUAMARINE TOURMALINE 0£,iner •lilBD JliO negioM e nBgioM \o...subject of the minerals from which be aroused to an effort to gain a come interest in originate will...so-called civilization would go out of existence of an extinguished match. which like the flame How long |  | | Book (volume) | | stratigraphy and structure of the rocks of the district, sedimentary, igneous, and metamorphic; (3) the...angefertiat, um dem Lagerstättenkundler bei seinem Studium der Erzlagerstätten zu helfen; sie werden sicherlich...Veröffentlichungen vorliegen, einzubeziehen, um dem, der sich mit Erzlagerstätten beschäftigt, zu ermöglichen...wirklich zu verstehen. Von der beeindruckenden Menge der erfaßbaren Lagerstätten in der Sowjetunion konnten...Lagerstätten ist immerhin soviel veröffentlicht worden, daß der interessierte Leser auch Einzelheiten erfahren kann |  | | Book | | because of special qualities or because of their lower cost to the consumer. Those who witnessed the frantic...University has been an able critic and counselor, and, when progress was slow, an inspiring and encouraging...by those connected with the mining of metals, is: "An ore is a mineral deposit from which a metal can be...restricted meaning the pyrite deposits of the Rio Tinto district of Spain. Their value has been determined primarily...the ordinary grade of pyrite pro- duced in the district frequently contains sufficient copper to warrant |  | | Journal (issue) | | dim past is a fascinating science by itself. Even an elementary knowledge of the common forms of fossils...attention. The Texans seem to know how to conduct an event of this kind, and visitors from distant points...rounded water-worn pebbles, averaging about one-half an inch in diameter, although masses two and three inches...County, but the principal distribution is along the lower reaches of Josephine Creek. The writer has seen...as vein minerals. The mines of the old Bourne District of Baker County, yielded a considerable amount |  | | Journal (article/letter/editorial) | | a reagent for iron, the use o f the microscope as an aid in the identification o f salts (largely i g...~ are b y T o r b e r n B e r g m a n : in 1774, an ankerite from Vester Silfberg ' d e d i t ferri calcinati...Mineralogical Society. M I N E R A L ANALYSIS 5 (I782) of an asbestos from La Tarentaise, Savoy: complete decomposition...finden, beweiset abermals, wie gusserst vorsichtig der Schiedekiinstler vornehmlich bey Untersuchungen yon...volumes of his Beitriige zur chemischen Kenntniss der Mineralki~rper, published from I795 to I815, he gives |  | | Book (edition) | | areas of the country, such as the Gulf Coast, Calif., an...and toehniques for examining and (c.sting minerals an...coauthor to collaborate in its preparation and to assume an important share of the burden. W, M. Myers is a former...former colleague, a friend of long standing, and an associate in various nonmetallic mineral activities...and uses. In order better to answer such requests an outline containing the most common questions was |  | | Report (issue) | | OF THE Country round Banff, Huntly and Turriff (Lower Banffshire and North-West Aberdeenshire) (EXPLANATION...co111plex Jlroblems which t,1e geology of the district afforded. The Maps and liemoir as now published...GJJACIATI0N AND GLAC IAL DEPOSITS • • • (i.) The Lower or South�easterly Drift B. R.AISED BEACHES • •...Distribution of the Igneous Rocks in Strathbogie and . . Lower Banffshire . • . . . . . . 7. Reaction-rims in Olivine-gabbro... INTRODUC'fION. AREA. The district described in this l1eil).oir· has an area of some 560 square miles |
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