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| A CATALOGUE OF MASSACHUSETTS GEMSTONES HAMPSHIRE COUNTY 8y RALPH GOSSE P.O. Box 5351, Albany, N. Y....Mass~chusetts are ID<:ated within t~e bound.anes of Hampshire County, situated in ~e western half of the. state...all of the recorded gemstone 10Ga;htles of the county from the very earliest recorded ones to the . ...o~fully accurate form. Not being a nat.lve of the county or even the state the wr.ter is at a disadvantage...made available to me through the New York State Library in Albany, New York. Some of the localities listed |
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| DIKECTOlt MINERALOGICAL LEXICON OF FRANKLIN, HAMPSHIRE, AND HAMPDEN COUNTIES MASSACHUSETTS BENJAMIN...after .olivine ............. FiG. 1. Garnet, with quartz iuclosures.......................................Survey, a inineralogical lexicon of Franklin, Hampshire, and Hampden counties, Mass. This lexicon was...Geological A MINERALOGICAL LEXICON OF FRANKLIN, HAMPSHIRE, AND HAMPDEN COUNTIES, MASS. By B. K. EMERSON...the eastern border of the area find in AVorcester County. TRIASSIC. The Suf/ar Loaf arko*e, or feldspathitf |
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| NOTES ON RARE AND UNUSUAL NEW ENGLAND GEM STONES By RALPH GOSSE P.O. Box 5 3 5 1 , A l b a n y , N e...gem materials found within the boundaries of the New England States. Perhaps some of the localities mentioned...article and any additional information concerning New England gemstones for future articles. Cat's-Eye...of Gilsum, in Alstead Township, Cheshire County, New Hampshire. Although found in Brazil and other foreign...ray. Some of the aquamarine collected at this New Hampshire locality is so highly chatoyant that it equals |
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| in Bronx and Westchester Counties, southeastern New York, by Charles A. Baskervi1le....................3. Buddenhagen...........................Hi 1 3. New Paleozoic formations in the northern Kuskokwim Mountains..., and Wi 1 1 iam W. Patton, 3r...........H13 ^. New stratigraphic unit in the Wilcox Group (upper Paleocene-lower...Shride.....................H57 8. Mauzy Formation, a new stratigraphic unit of Permian age in western Kentucky...formations in the Hamilton Group (Middle Devonian) of New York, by William A. Oliver, 3r..................H91 |
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| All who were involved in the preparation of the new bedrock map, particularly those responsible for the...understanding and portrayal of the geology. Although the new map is very different from Emerson's in many aspects...their map symbols. Thus the micaceous quartzite, quartz-mica-garnet schist, and calc-silicate unit of the...1984, Lithotectonic assemblages as portrayed on the new bedrock geologic map of Massachusetts: American Journal.................. A2 Lithotectonic map of western New England ........................................ |
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| .................................... Worcester County, Mass....................................... Westboro.......................................... Paxton quartz schist...................................... Younger................................... 150 Berkshire County..................................................aplite.................................. 152 Lee quartz diorite.......................................................................... 167 Ironstone quartz diorite....................................... |
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| ......... .45 Mogollon-Datil volcanic field, SW New Mexico ............... .49 Ordovician and Silurian....................... .89 Detrital to prograde: Pelham dome, central Massachusetts ...... .95 Timing of.................... o Tectonic history of western New England ................... o U-Pb dating of zircon...closure temperature back into the equation yields a new estimate of 667.2 K; a third iteration using this...Press, New York. Crank, J., 1975, The Mathematics of Diffusion (2nd ed.) Oxford University Press, New York |
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| Formation, a Miocene formation in northern Elko County, Nevada, and adjacent Idaho, including a consideration...herein reassigned to the Poverty Flat Sandstone (new) of late middle and late Eocene age. The Valley Springs...data from strata under the valley, have provided new information about the regional stratigraphic relations...are here reassigned to the Poverty Flat Sandstone (new), the Valley Springs Formation, and the Neroly Sandstone...apparently nonfossiliferous; however, the prevailing quartz-kaolinite mineralogy of the sandstone and conglomerate |
 | SPEAR, F. S., CHENEY, J. T., PYLE, J. M., HARRISON, T. M., LAYNE, G. (2008) Monazite geochronology in central New England: evidence for a fundamental terrane boundary. Journal of Metamorphic Geology, 26 (3) 317-329 doi:10.1111/j.1525-1314.2007.00751.x | Journal (article/letter/editorial) |
| 2007.00751.x Monazite geochronology in central New England: evidence for a fundamental terrane boundary...12180, USA (spearf@rpi.edu) 2 Department of Geology, Amherst College, Amherst, MA 01002, USA 3 Department...University of California, Los Angeles, CA 90095-1567, USA 4 Department of Geology and Geophysics, Woods Hole...Hole Oceanographic Institute, Woods Hole, MA 02543, USA ABSTRACT Monazite crystallization ages have been...Hill anticlinorium in central New England. In west-central New Hampshire, each major tectonic unit (nappe) |
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| the Merrimack synclinorium. New mapping near Mount Monadnock, based on the new stratigraphic sequence,has... INrnonucltotl We discussan area in the central New England Appalachiansalong a tectonic belt extendingfrom...first proposal published in the Guidebook of the New England Intercollegiate Geological Conference in...Bronson Hill anticlinorium, in the core of the Pelham gneiss dome, are gneisses,quartzites,and subordinate...rocks that overlie the Proterozoic rocks in the Pelham dome and form the coresof all of the other domes |
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| and G2 garnet in sample K77. northern part of Pelham Dome, Massachusetts. Garnet porphyroblasts in Zone...consist of quartz, ilmenite, and graphite and the matrix consists of biotite, muscovite, quartz, kyanite...variations in the density of inclusion minerals (quartz and ilmenite). G1 is inclusion-poor and displays...composed of biotite, muscovite, plagioclase and quartz. Fig. 4. Compositional maps in Mn, Mg and Ca showing...porphyroblasts in sample K60 have inclusions of quartz and ilmenite. The inclusion trails are smoothly |
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| MA 01267, USA ‘Department of Geological Sciences, Brown University, Providence, RI 02912, USA (Received...zircon grains from rocks of the New England Appalachians in the USA permit an assessment of the applicability...metasedimentary units from opposite sides of the New England Appalachians reveal the distinct provenances...The Missisquoi Formation in southeastern Vermont, USA, is comprised, in part, of detritus derived from...Late Proterozoic basement orthogneisses of southern New England provide an excellent opportunity for such |
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| metamorphic high, shown on a metamorphic map of New England in Figure I and in closer detail in Figure...adingindicateszones of retrogrademetamorphismat New Salemand QuabbinHill. The areaof zoneI betweenthe...garnet growth In the lowest grade zones in central New England, the garnetsare commonly well formed, are...the primary zoning profile, which would produce a new and obviously false record oforiginal garnet growth...garnet to produce chlorite (Figs. l5 and 16) in the New Salem retrograde zone, central Massachusetts (see |
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| CATALOGUE OF MASSACHUSETTS GEMSTONES HA,MPDEN 'COUNTY (PART FOUR) By RALPH GOSSE P.O. Box 5351, Albany...will be amended in a later issue. NOTE: (ESSEX COUNTY, was erroneously listed as part three in caption...Gemstones." Readers please note the correct County to be BERKSHIRE COUNTY.) AGATE Locality Descr,ption and Occurrence...weathering of nearby outcrops of basalt. Hampden County The chief occurrence of agate in Massachusetts...the northern boundary of the state southward to New Haven, Conn., a distance of about 100 miles and averaging |
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| till from other areas of New England 32 35 Hypotheses to account for New England upper and lower till... Belchertown Quadrangle 93 The Pleistocene in New England 105 4 References . Appendix Procedure...Ternary Diagram-New England Tills (Wentworth Grade Scale) Fig 9 Ternary Diagram-New England Tills (U...Belchertown Quadrangle Table 4 Clastic Ratios of New England Tills Table 5 Possible Deglacial Chronology...Bclchcrtown quadrangle, an area that straddles the New England Upland and Connecticut Valley Lowland in |
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| localities. My fond hope is that someone of the new generation will take up the challenge of revising...tantalizing find, one of several mineral discoveries in New England since the 1970s, including gold in a state...11ne 2; ••• Amph1bo1ite--see Bolton, Worcester County M1nera1 Loca11t1es. page 85 ••• 11.8 3~ter cerium...•••••••••••••••••'.' •.••.•••• 2--6 Barn.table County ro •• il Localiti ••••••••••••••••••••••••••••...Localit1e•••••••••••••••••••••••••••• 21 Br1.tol County Mineral Localit1 •••••••••••••••••••••••••••••• |
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| 00:39 19 January 2015 Graves Mountain, Lincoln County, Georgia B lack and nearly black minerals-no...include ilmenite, anatase, brookite, hematite, quartz, titanite, chlorite, muscovite, kyanite, andalusite...star stones and cat’s eyes, and rutile-included quartz is a relatively common and popular lapidary material...material (for a detailed treatment of rutile-included quartz, see Cook 1996). Rutile in good to fine specimens...Hill, Providence County, Rhode Island; and in Essex, Orange, and Warren Counties, New York. Good to excellent |
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| Comparison of conventional and garnet-aluminosilicate-quartz O isotope thermometry: Insights for mineral equilibration...isotope thermometry based on fractionations among quartz, garnet, kyanite, sillimanite, and potassium feldspar...approach takes advantage of the exchange between quartz and more refractory minerals such as garnet and...among micas, feldspars, and quartz. Two models used here predict quartz isotopic compositions that differ...2 per mil the measured isotopic composition of quartz. Excellent agreement between isotopic and conventional |
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| metamorphosed schists: north central Massachusetts, USA Received: 9 April 2003 / Accepted: 9 November 2004...staurolite–garnet grade rocks from the northeastern flank of the Pelham dome, north central Massachusetts, distinguishes...shearing, especially against the margin of the Pelham dome, formed the dominant schistosity, which truncated...700C in those rocks lying directly adjacent to the Pelham dome, and resulted from the rocks of the Northfield...porphyroblasts around the Northeastern flanks of the Pelham dome. In particular, the construction of P–T pseudosections |
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| metamorphism of sillimanite-staurolite schists, New Salem area, Massachusetts KURT HOLLOCHER Geology...Department, Union College, Schenectady, New York 12308 ABSTRACT The New Salem retrograde metamorphic zone...kbar and - 6 0 0 °C produced the common assemblage quartz-muscovite-biotite-garnetstaurolite-ilmenite-al...extending from Long Island Sound to the Maine-New Hampshire border (Thompson and others, 1968; Robinson...gneiss-cored Kempfield anticline and Pelham dome to the west (Fig. 2). The New Salem area was first mapped by |
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| S tate s.................................. . 467 New E ngland...................................................................................... 468 New H am pshire and V erm ont...................................... . ............................ 469 New Y ork......................................................................................... 470 New Je rse y ...................................................... 471 Analyses of allanite from th e New England and Middle A tlantic States 473 South A tlantic |
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| VARIEGATED MARBLE SOUTHEAST OF CALERA, SHELBY COUNTY, ALABAMA. By CHARLES BUTTS. About 3£ miles a little............. Sandstone (quartzite?) coarse, with quartz veins................ Feet. 20± 20± 25± 50± The... and here and there by thin stringers of small quartz grains. The variegation gives to the rock a highly...is great, and it would not be easy to establish a new enterprise in that line on a paying basis except...in Bulletins 313, 404, 430, and 484, on the other New England granites. The following scale of shades and |
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| distinct cubical crystals, pink color. Syracuse, New-York. shaped crystals," formed Ar. " Hopper at...Sulphate of Magnesia. 15. L. Salzburg. Near Albany, New- York. 16. L. and may be Genus VIII. Sp. 1....collected into a globular do. mass. 34. L. Niagara, New-York. Crystals imbedded in earthy gypsum. 36...arrow-head sulphate of lime. Lamellar, and transparent. New-York. Lamellar, embracing crystals of pearl and...and dog-tooth spar. Mineralogical Cabinet New- York. New- York. 38. L. Lockport, 39. L. Lockport, in |
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| my. (Grauert & Hall 1973). DOMES OF SOUTHWESTERN NEW ENGLAND Rocks correlated with the Grenville reappear...boundary just northeast of the border with New Hampshire. Naylor et al (1973) report Pb207jPb206 ages...but older than the stratified been documented near New York City and may occur elsewhere in the western...Nova Scotia; the Green Head Group, St. John area, New Brunswick; and parts of the Nashoba Formation, eastern...40 km wide belt along the southeastern coast of New Brunswick (Potter et al 1968). Fairbairn et al (1966) |
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| inclusions or fresh volcanic glass. Fluid inclusions in quartz from metamorphic or hydrothermal environments may...was initially made for convenience (Elliott 1965). New data require a re-examination of the substitution...specimens came from the Harding pegmatite, Taos County, New Mexico, Harding 2 and Harding 23, both found...in albite; and the Pulsifer quarry, Androscoggin County, where royal purple apatite is found in pockets...and from the biotite contact zone surrounding the Pelham asbestos mine (HMM-126877, Emerson 1895, 1898) |
