 | | Report (volume) |
| ................_................... 12 Albion schist member...........................................Varieties of the schist........................................ 14 Epidote-chlorite schist.................Chlorite-actinolite schist........... ...................... 15 Hornblende schist.............. ........................... 10 II. Porphyritic green schist....... .^.................................. 30... Albion schist member. Marlboro formation, including green schists, amphibolite, mica schist, and, as |
 | | Report (volume) |
| ............................... .... Ellsworth schist ........................................................................... 30 Mines of Hancock County.............................................. 30.......................... 42 Mines of Washington County............................................ 43...connection with this work the Milan mine, in Coos County, N. H., was visited. The deposit which is now successfully...BASTTN, EBSON S. A pyrrhotitic peridotite from Knox County, Me. a sulphide ore of igneous origin: Jour. Geology |
 | | Journal (article/letter/editorial) |
| Schist............................................................................................................ Occurrence................................................ Sericite.................................................conglomerate P h a se ...................... Occurrence................................................................. Clearing Action o f growing Sericite...................................................................................... Chlorite Schist and P h y llite............................... |
 | | Report (issue) |
| .,, Triassic sedimentarl' rocks............. Occurrence Descriptions lopography Structure 1E 18 19...19 19 19 19 po Cretaceous sedimentary rocks Occurrence Structure and description rocks...................... Zl Granites Locust Grove granite Occurrence .................... ........................Somerville granite .......................... 24 Occurrence Variations and structure 24 zq Tarr,i oF...age ................ JJornblende granite qA Occurrence 25 Megascopic characters Micr:oscopic characters |
 | | Report (volume) |
| --_.____._____._--__---------------Black Canyon schist...-_.---__..--.-----.-.------------------Occurrence__-_...________________________________________ Biotite schist-..---.--. ____------__-_--_----__------------Quartz-muscovite..._______-___--______--_--___-___-__------_-_ Amphibole schist.-__--___._-_-__--___-----__------___-_-Ultrabasic...___-__--__--___ River Portal mica schist-__--__-____-__-_-____--__--_-.-__--___ Occurrence ______--_----_-_---_-...___ Mica schist._-___-__---__-__-___--_-_-__----_---_---_-__Quartzose phase of mica schist.____________________________ |
 | | Report (volume) |
| Quartz-biotite schist. ............................................. Hornblende schist. ...................................... Black pseudoporphyritic schist (kinzigite).......................... Dolomite...other horizons.................. Quartz-biotite schist. ................................................................................... Hornblende schist....................................................................... Origin of the hornblende schist. ............................... 65 65 65 65 66 |
 | | Report (volume) |
| 15 15 15 18 18 18 18 24 25 25 Oligoclase-mica schist f acies _-___-_.-_.____-.___ 25 Diaphthoritic...schists.-_---___-__________._-___ Albite-chlorite schist facies _--___._-________-___ Composition...-.-...-.-.-.-----..-...-........-.-.... Peters Creek schist._______________________________ Cardiff conglomerate...stratigraphy of Mine Ridge upland and vicinity._ Lower Cambrian rocks of the McCalls Ferry-Quarry ville...Continued. Paleozoic sedimentary rocks Continued. Lower Cambrian rocks of the McCalls Ferry-Quarryville |
 | | Report (volume) |
| .................................. Chrome mica schist of Shrewsbury....................................anticline.......................................... 70 Schist ridge west of Proctor and Fowler.................marble to schist.......................................... 80 Bedding and cleavage in schist.............................. 12. Bedding and cleavage in schist on Dorset and Bear mountains.... 13. Thin section...quarry....... i...... 20. Minute dolomite bed in lower mottled marble, " Pittsford Italian ". 21. Thin |
 | | Report (issue) |
| NEAR SCHOOL HOUSE, LOT 110, 15th DJST., DeKALB COUNTY, GEORGIA, SHOWING PEGMATITE DIKE IN MICA SCHIS'...supplying to the public, information regarding the occurrence and nature of the feldspar and mica deposits.... . . . . . . . . . . . . . . . . . . . . . Occurrence, composition, structure, etc ........................ . Baldwin County .......................................... . Warren County .............................................. . Columbia County .......................................... . Other counties |
 | | Report (volume) |
| ...................... General character and occurrence.................................. Petrography............................................. 30 Sericite.................................................rocks which are partly of post-Jurassic or post-Lower Cretaceous age. This is confirmative of the views...couchant lion. Toward the south the altitudes become lower and the profiles of the mountains become smoother...the bay. Its total length is only 4 miles. The lower course is broken by a waterfall 75 feet high and |
 | | Journal (article/letter/editorial) |
| as well up in the White Limestone (Oligocene or Lower Miocene). It is not an ancient basal complex, but...Limestone. The reported basal hornblende schist occurrence at the Lazaretto is an intrusion effect. 5...magma (p. 619). A feature of the type is the occurrence of big augites. In many cases these have crenulate...slides : decompositional cloudiness marked by sericite, zoizite, etc., and contact cloudiness due to |
 | | Report (issue) |
| schist. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Occurrence............................................... Occurrence, distribution, and age..................................................................... Occurrence and distribution...................................................................... . 53 Occurrence and distribution ..................................................................... . 56 Occurrence and distribution ........................... |
 | | Report (volume) |
| .............................. Character and occurrence.................................. Metamorphism....................................... Worcester County, Mass....................................... Westboro................................. Character and occurrence. .^ ........................... Smithfield limestone............................................... Occurrence................................................part)............................ 39 Berkshire schist............................................... |
 | | Report (volume) |
| Pawlet (by Walcott).......... VII. ^1, Map of the lower course of the Hoosic River; B, Map of east bank...Mountain Range, beginning near the Rutland-Addison County line in the northern half of Vermont and extending...westerly about 200 miles to the Hudson in Dutchess County, N. Y. The part of the Taconic Range here considered...of the village of Great Barrington, in Berkshire County, Mass., to the northern end of the range, a half...half mile south of the Rutland and Addison County line in Vermont, a distance of about 113 miles. The accompanying |
 | | Report (volume) |
| ________ Greenstone-schist sequence...---_-_--__.-_-_-_-___-___--_-__ Occurrence and relations______...Greenstone_______l-_-______--__-_______-________.__-___-_ Occurrence and relations.______________________________...__-_____--_____------_-------_----__-._-_.-----Occurrence and relations.______________________________...correlation.__._-___.-._._____________.__.__.__ Schist.... __.__ 1 2 3 4 4 6 6 7 7 9 12 12 14 14 14 14....._._._.-__...__.-.-..._..--__...-._... 24 Occurrence and relations.____-__.__--_.-__._._.._---.__ |
 | | Report (chapter) |
| systematically localized close to a dolomite/black schist level in which a top-to-the-NNW d6collement-type...deposits, Prokin & Buslaev 1999). Moreover, every occurrence of stockwork or mineralized veins within the...stockwork cannot be systematically linked with the occurrence of feeder zones. A syntectonic stockwork formation...the High Seksaoua district (Fig. 1c). a lower calc-schist unit that is the lowest one observed in the...black schist systematically overlain by a grey dolomite layer 2 m thick; an upper calc-schist sequence |
 | | Report (volume) |
| Definition and character.._..-___ ___--____-_-___ Lower or dominantly sedimentary facies.____________ Upper...____________________________________________ Occurrence of quicksilver near Tiller_._-_____--_-_-________...in Umpqua formation near Oakland; B, Mud flow in lower part of Calapooya formation west of London______...mud flow in lower part of Calapooya formation; B, Rudely stratified mud-flow breccias in lower part of Calapooya...been named the Calapooya formation. They include a lower or predominantly sedimentary facies composed mostly |
 | | Book |
| panning at various sites, and a promising gold occurrence was found on the banks of the Ivalojoki River...fels (skarn) and black, sulfide- and graphite-rich schist. Trüstedt returned to the Geological Office and...hundreds-of-meters-wide mica-bearing quartzite schist that contained intercalations of talc and tremolite...the assumed contact between the mica schist and quartzite schist. In March 1909, the Senate of Finland...northern contact of the quartzite against the mica schist. Because of the thick overburden, he decided to |
 | | Journal (volume) |
| Geology and Mineral Resources of Northeastern Madera County, California Geology and Mineral Deposits of Laurel...Laurel and Convict Basins, Southwestern Mono County, California OIL FIELD DEVELOPMENT OPERATIONS to ...classes: 1. Mines and mineral resources of a given County (describing kind, character, distribution and extent...former methods of conducting field work, including lower traveling-expense bills for the Bureau's engineers...northeastern Madera County and the other is by Evans B. Mayo on southwestern Mono County. Although the Division |
 | | Book |
| long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...Litchfield County. Ilmenite masses and crystals from somewhere near Washington, Litchfield County, were described...ONTARIO Bentley Lake Road occurrence, Faraday Township, Hastings County. In fall 1994, Dan and Shelley...site which they called the Bentley Lake Road occurrence, south of Bancroft. Sharp, flattened rhombohedral |
 | | Report (volume) |
| Umpleby.... The Yellow Pine mining district, Clark County, Nev., by J. M. Hill...... Survey publications...sulphate in the Carrizo Plain, San Luis Obispo County, Cal., by U.S. Gale............................................. 428 Borate deposits in Ventura County, Cal., by H. S. Gale.................. 434 Potash...SULPHUR AND PYKITE : < Sulphur deposits in Park County, Wyo., by D. F. Hewett............... 477 Survey...Sketch map of the Yellow Pine mining district, Clark County, Nev.. V. Map showing relation of outcrops of red |
 | | Journal (article/letter/editorial) |
| have extended this zone of known glaucophane schist occurrence to a graben-like structure covering an area...characterized by flat lying dominant $1 foliation and the occurrence of glaucophanic eclogites. Mineral parageneses...(M1) of prograde metamorphism in the glaucophane schist facies, followed by retrogression (R) in the greenschist...assemblages and is seen to lie structurally above the lower-grade Zone I (Quinquis, 1980). More details on metamorphic...metamorphism. In addition, U-Pb studies on an albitic mica schist from Zone Il show a discordant array of 4 zircon |
 | | Report (volume) |
| .............................................. Schist inclusions.......................................quarries................................ Caledonia County ........................................................................................ Orange County..................................................of the granites and quarries Continued. Orleans County ................. ............................................................... 46 Washington County .............................................. |
 | | Report (volume) |
| rocks___________ Birch Creek schist- . _ General character_________ Quartzite and quartz-mica schist _________ Occurrrence...Hornblende schist and ampnibolite Hornblende schist______ Amphibolite __________ Carbonaceous schist _ 54...Continued. Pre-Ordovician rocks Continued. Birch Creek schist Continued. Page. Crystalline limestone__________________...Silicated limestone and eclogite______._____ 62 Occurrence and character_____________ 62 Petrography _______..._________ 64 Hornfels _________________________ 64 Occurrence ____________________-_ 64 Petrography _____________________ |
 | | Book |
| is characterized by a different set of symmetry lower temperatures and pressures than does aragonite....outside of which is the mantle, subdivided into lower and upper, and finally there is the crust. The ...rocks: igneous, metamorphic, and sedimentary. Lower mantle 5432°F (3000°C) Divergent convection currents...have pointed out, is also associated with the occurrence of certain minerals. There- fore some, like...magmas that contain volatile compo nents (gas) have lower melting points, with a minimum possible melting |
