 | | Journal (article/letter/editorial) | | Triassic 40Ar/39Ar age for a camptonite dyke in Cambridge, Massachusetts, USA Martin E. Ross Department...Northeastern University, Boston, Massachusetts 02115, USA Date received: 28 November 2009...ABSTRACT A 2.4 m-thick megacryst- and xenolith-rich camptonite dyke briefly exposed during excavation of a subway...1983, 1990), one of these dykes is classified as camptonite, based on mineralogy (kaersutite and biotite...to as the Porter Square camptonite. The age of the Porter Square camptonite has not been es- Atlantic |  | | Journal (article/letter/editorial) | | AMYGDULAR CAMPTONITE DIKES FROI,{ I,IOUNT JO, MOUNT NIARCY QUADRANGLE, ESSEX COUNTY, NEW YORKX Howanr...Washington25, D. C. Asstnact Three small, amygdular camptonite dikes intrude the Marcy anorthosite in Mount...Mount Jo, Mount Marcy quadrangle, Essex County, N. Y. They show a northeasterly strike, 80o to 90" dip, and...thick. They are similar to the post-Ordovician camptonite dikes from the Lake Champlain valley. Three modal...and hornblende. The dikes may be classified as camptonite (family 3216H, Johannsen), subbasalt (DVM7-75 |  | | Journal (article/letter/editorial) | | CAMPTONITE DIKES NEAR BOULDER DAM,1 ARIZONA' faN Cal,rpeplr* ANo Enwanr T. ScuBNx** Arsrnncr Near...Near Boulder Dam occur camptonite dikes of possible Quaternary age characterized by disamphibole (kaersutite)...volatiles in the dike magma. Chemical analyses of the amphibole and of the chilled margin of a dike are presented...presented and discussed. INrnooucrroN Camptonite dikes occur within a limited area bordering U. S. Highway...uncommon character. 3. Composition: the rock is a camptonite and the amphibole most nearly resembles kaersutite |  | | Report (issue) | | P. Ambers and R. P. Wintsch hole, Moodus, Connecticut 171 Geochemical and geological criteria for...A. Bernitz, and J. S. Fout origin, eastern Connecticut 187 Thrust napping versus fold napping in the...of the Boston Basin . 235 of southeastern Connecticut Nicholas Rast and James W. Skehan Index . ...suggests that the mid(?)- to late Proterozoic Middlesex Fells Volcanics consist of alkalic to transitional...are from a 1.5-k-deep core drilled at Moodus, Connecticut. Based on their findings, the authors suggest |  | | Journal (article/letter/editorial) | | and classification in the quantitative system. Camptonite (ourose ( ? ) ) ...............................the occurrence of granite-felsophyre in Alleghany County, Virginia, and several dikes of basalt near the...the State line on the north, in Pendleton County, West Virgima. Recent investigations by the writers, assisted...four new types—quartz gabbro, nepheline syenite, camptonite, and teschenite (feldspar monchiquite)— occurring...study includes the discovery and location of every dike or exposure of igneous rock within the lim its of |  | | Journal (article/letter/editorial) | | have been observed between the several types of dike, indicating that they were all intruded at about...of the dike. A very fine-grained zone up to 1 cm wide may be present along the margin of the dike, and...less fine-grained zones commonly occur within the dike. Ocelli are not found within these zones, but tend...PLATE 1 FIG. 1. A 1-6 m wide kaersutite lamprophyre dike containing numerous ocelli. Note the general alignment...The size of these ocelli varies with that of the dike ranging in diameter from 0-05 to 0-2 cm in dikes |  | | Book | | City, given to Trinity College of Hartford, Connecticut, in 1911, also should be men¬ tioned. Among the...from the Franklin marble occurrences in Orange County, New York, was purchased in 1914 by the New York...mining activities in the area now called Sussex County were for iron. The earliest of the five iron furnaces...on magnetite ores began much earlier in Morris County, and the bog-iron deposits of the Pine Barrens...Stirling at his Charlottesburg furnace in Passaic County, and again by J. O. Ford and Samuel Fowler at the |  | | Journal (article/letter/editorial) | | Lowell,Lowell,Massachusetts01854, USA Abstract. Many lamprophyre dike and sill rocks in the Monteregian...melts. quartz, biotite, calcite, and accessory apatite. There is considerable carbonate alteration of...suggests the late stage introduction of CO2. 7. Camptonite sill at the north end of the Papineau Avenue...minor hornblende, and accessory apatite and magnetite. 8. Monchiquite dike previously exposed at Visitation...feldspar, carbonate, chlorite, and accessory apatite. 9. Camptonite sill exposed in an abandoned quarry at |  | Ulrych, J., Novák, J. K., Lang, M., Balogh, K., Hegner, E., Řanda, Z. (2006) Petrology and geochemistry and K–Ar ages for Cenozoic tinguaites from the Ohře/Eger Rift (NW Bohemia) Neues Jahrbuch für Mineralogie - Abhandlungen, 183 (1) 41-61 doi:10.1127/0077-7757/2006/0059 | Journal (article/letter/editorial) | | evolved rocks in the alkaline (camptonite/monchiquite – phonolite/tinguaite) dike suite of the Cenozoic Roztoky...Ma for five samples suggest that the tinguaitic dike rocks are coeval with the subvolcanic members of...preferred strike directions for compositionally distinct dike rocks (Ulrych & Balogh 2000, Cajz 2003) and the...0˚, 40˚ and steep dips (80 to 90˚). The average dike width is ~ 1m but widths range from 10 cm to 10...), monchiquite/camptonite, tephriphonolite, and phonolite/tinguaite. The felsic dike rocks only occur |  | | Report (issue) | | .. 30—Pegmatite dike cutting granite-gneiss, Bull Hill, Grafton, Vt 31—Djabase dike cutting Bellows Falls...but in the mountains and between them and the Connecticut River some of the ledges in many of the towns...Vermont and adjoining areas are numerous dikes of camptonite, and similar rocks. These have a marked trend...wide or an eighth of a mile long. Evidently, these dike rocks were forced when molten into a set of fissures...either west into Lake Champlain or east into the Connecticut, and the brooks, however crooked may be the usual |  | | Report (volume) | | stock ....................... Great syenite-porphyry dike of Little Ascutney Mountain......... Syenite stock...syenites.....-...-.--------..--.............. Paisanite dike cutting the Main stock ...........................of the Main stock...................... Paisanite dike on Little Ascutney Mountain.......'............... Ascntney Mountain and the terraces of the Connecticut River. -----------------------------------II...quartz-bearing hornblende-biotite-diorite, showing an apatite crystal inclosing a core of brown glass. --.-__- |  | | Book | | Franklin and Sterling Hill in Ogdensburg, Sussex County New Jersey: Mining History and other of his publications...usage was West Limb northward of the Great Camptonite Dike to High Street. When the 1880-1897 Taylor Mine...Taylor Mine ~1895 .............. FO-162 Great Camptonite Dike ................ 116 116 Tag 118 93° “SFOs163...Sussex County Trust OMIA AESUNILINIAC) e te oS a o e a ecde Bae Tyee oe 152 FO-224 1919 Sussex County Trust...FIrenouse 2 ve 28 cine 5 iene, ee FO-244 Sussex County Library ................. 19f a5T, 158 159 159 |  | | Journal (article/letter/editorial) | | series General statement Plutonic rocks Alkaline dike rocks Optical and chemical properties of minerals...and stocks Cape Horn ring dike Parks Brook ring dike Devils Slide ring dike Pilot Range complex Hastingsite-riebeckite... granite ring dikes Conway biotite granite ring dike Screens Syenite stock Hastingsite-riebeckite granite...River which flows generally westward into the Connecticut River. Strongly folded and metamorphosed micaceous...in the northern part of New Hampshire within the county of Cob's, and includes the whole or portions of |  | | Catalog/List | | Sodium aluminum silicate CLEA VE LANDITE Connecticut Fairfield County, Branchville White xlline with cymatolite...cymatolite, good study ... New Mexico Taos County, near Dixon Nearly pure white xlline lamellar mass . MOONSTONE...cerium aluminum silicate California Los Angeles County, Pacoima Canyon Large black tabular crystals in...iron silicate ACTINOLITE California San Bernardino County, Wrightwood Green prismatic crystalline mass ....CROSSITE Sodium iron silicate California San Benito County, Gem mine Compact blue-gray mass with natrolite |  | | Journal (article/letter/editorial) | | ABSTRACTS SEVEN NEW BARIUM MINERALS FROM FRESNO COUNTY, CALIFORNIA EASTERN CaliJornia Dilision Joux...silicate minerals have been found in eastern Fresno County, California. The minerais occur in sanbornite-bearing...andalusite. A UNIQUE OCCURRENCE OF URANIUM SAGUACHE COUNTY, MINERALS, COLORADO MARSHALL PASS, E. B. Gnoss...uncovered in the Marshall Pass district, Saguache County, Colorado. Two of the ore bodies occurred in alluvium...contemporaneous rvall rock alteration; post-ore rhyolite dike intrusion and ore metamorphism; and supergene alteration |  | | Report (volume) | | ...................... 1. Eocks from Aroostook County I............................. 19 19 2. Litchfieldite.............................. 1. Eocks of the Connecticut Valley............................ 2. Miscellaneous...rocks........................................ Connecticut........................................°.......1. Elliott County dike........................................ 56 2. Crittenden County dike................................................. 3. Colfax County......."....................................... |  | | Journal (article/letter/editorial) | | the swarm the dyke association of peridotite, camptonite, trachyte, tinguaite, and carbonatite is readily...of this model. Fractional crystallization of camptonite results in phonolitic late stage liquids which...damkjernitic peridotite. Vesiculation of the camptonite results in separation of a volatile phase (fluid...Zoned phenocrysts of kaersutite (K. with included apatite) and titanphlogopite (P). second generation crystals...aegirine-augite overgrowths. A), sphene (S). and apatite enclosed in a felsic groundmass containing analcime |  | | Report (volume) | | of the Triassic Rocks of New Jersey and the Connecticut Valley, by John S. Newberry. 1888. 4°. xiv, 152...meridian of 76° 30', from Tompkins County, New York, to Bradford County, Pennsylvania, by Henry S. Williams...cents. 16. On the Higher Devonian Faunas of Ontario County, New York, by John M. Clarke. 1885. 8°. 86pp. 3...57 pi. Price 25 cents. 38. Poridotite of Elliott County, Kentucky, by J. S. Diller. 1887. 8°. 31pp. 1 pi...Brief review of the classification of the basic dike rocks.................. Local geological details |  | | Journal (article/letter/editorial) | | ............................................ Camptonite..................................................................................... Origin of dike fractures.........................................0.1 per cent of the exposed bedrock. The largest dike is 60 feet wide and is exposed discontinuously for...presumably a part of the same dike (PI. 1). Apparently this same dike reappears north of the limits of...FOWLER-BILLINGS— IGNEOUS DIKES Each point represents a dike, and the lithology of each is indicated by an appropriate |  | | Journal (issue) | | Legislature, the Borough Council and the Sussex County Board of Freeholders, Franklin Borough has now...Borough Council, the Sussex County Board of Freeholders and other county officials, Franklin businessmen...just discover or rediscover Sussex County, the four season county, and visit the Fluorescent Mineral...body came to an abrupt end due to a fault (camptonite dike). But, it was believed that the continuation...body began, in 1891- Drill cores showed a granite dike at the 578 foot level, and again at the 700 ft. |  | | Journal (article/letter/editorial) | | Mountain Screen R a ttle s n a k e Dike Rattlesnake. Di ke Mt.Major Dike SECTION A-A’ J o y Hill O uter...uter F ram e Mt. Major Dike Central Stock Mt.Major Dike SECTION B-B’ Vertical and Horizontal Scale ...B E L K N A P M O U N T A IN S R attle sn ak e Dike B U L L ET IN O F T H E G E O L O G IC A L S O.................................................. Dike-rocks................................................................. Rattlesnake composite ring-dike................................................ |  | | Journal (article/letter/editorial) | | ments. Still later than these are the dikes of camptonite, diabase, and bostonite which cut any of the...somewhat frequently, but they are chiefly of the camptonite and diabase classes. They cut the adjacent Trenton...composition and little disturbed in position. Camptonite, diabase, and bostonite are the chief rock types...types represented among them. A camptonite at Richmond was found by the writer* to consist of hornblende...and plagioclase, with accessory magnetite and apatite. A little leucoxene and small aggregates of chlorite |  | | Book (volume) | | greater variety of minerals are found in Oxford County, alone, than anywhere else on Earth of comparable...than Maine's, as well. An area smaller than Oxford County in Murmansk Ob last, Kola Peninsula, Russia, has...gem-producing areas in the United States, admittedly. Connecticut has produced a few tourmalines, aquamarines,...clear to slightly blue topazes. However, San Diego County, California, is arguably the most important gem-pegmatite...arranged alphabetically: P. B. Goodsell, Hartford, Connecticut, 44 p. Hentschel, G., 1983, Die mineralien der |  | | Report (volume) | | ...................... 1. Rocks from Aroostook County..... ^..................'........... 2. Miscellaneous.............................................. Connecticut................................................Elliott County dike............................................... 2. Crittenden County dike.......:....................................... 3. Colfax County................ I................................142 3. Plumas County............................................... 144 4. Butte County.............. |  | Kaneva, Ekaterina, Radomskaya, Tatiana, Shendrik, Roman, Chubarov, Victor, Danilovsky, Victoria (2021) Potassic-Hastingsite from the Kedrovy District (East Siberia, Russia): Petrographic Description, Crystal Chemistry, Spectroscopy, and Thermal Behavior. Minerals, 11 (10) 1049 doi:10.3390/min11101049 | Journal (article/letter/editorial) | | J. Harrington for the type locality in Hastings County (Canada). According to the nomenclature of the...F2 Type Locality Dungannon Township, Hastings County, Ontario, Canada. Keshiketeng Banner, Inner Mongolia...China Greenwood mine, Town of Tuxedo, New York, USA Dashkesan Co-Fe deposit, Dashkesan district, Azerbaijan... Minerals 2021, 11, 1049 3 of 19 (Figure 2). Apatite and zircon were identified as accessory minerals...colorless euhedral prismatic elongated crystals of apatite (up to 0.5 mm × 0.3 mm in size) (Figure 3e,f) and |
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