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| a few such specimens have been found after 1960 (see the Amity-Edenville entry for Edenite and Spine!)...is not common in the metasedimentary rocks of the area which host these species, but "reasonably good"...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...to 2 cm which are pseudomorphs after bastnasite--see photo in Guastoni, Pezzotta and Zorzi (2008). ILMENITE... r ILMENITE QUEBEC Girardville, Lac Saint-Jean area. Just northwest of the town of Girardville, itself |
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| (a) Central gneiss (yon ttauer), Velber-Tauren district. (fl) Mica-schist and Gneiss (yon Hauer). (7)...succession which I had observed over a c~nsiderable district of the Swiss Alps. r2 Downloaded from http://jgslegacy...But I also knew that any line of section, either north or south of the glens traversed by the highroad...d r a w n r o u g h l y from Saluzzo to Gap, w e see t h a t a broad belt of crystalline rock runs, almost...observations which have not been already made ; but [ am not aware of any one which has been written with |
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| No. 61 GEOLOGY OF THE STONE MOUNTAIN-LITHONIA DISTRICT, GEORGIA By Leo Anthony Herrmann ATLANTA 1 9...No. 61, "Geology of the Stone MountainLithonia District, Georgia". This report was prepared by Dr. Leo...__________ . __________________ _ Location of the District .. _________ ·------------------------- __ _ Physiography...--------------------------------------------------------------106 North Georgia Quarries _________________________________________...and Structure of the Stone Mountain- Lithonia District, Georgia ____________________________________ |
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| Continued. Piedmont region Continued. . Virgilina district Continued. Bocks Continued. . Age relations.....(Southwest Mountain)_____________ 89 89 Triassic area (Londoun, Culpeper, Orange, and Ainherst counties)...Amphibolite dike_______________________________ 126 North Carolina____________________________________ 127...lenticle of vein exposed in railway cut, Virgilina district, showing concentric slate shells,____________:_...lying adjacent to fissures____________:_________ 12. Face of the 300-foot level south in the Holloway mine |
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| 8QQ. Printed by: Acorn Print Media, Quorn House, North Road, Loughborough, Leicestershire, LE11 1LE. Published...Tayler 26-32 A review of the mineralogy of the area around Markfield, Leicestershire Francis Ince 32-44...32-44 A review of the mineralogy of the area around Groby, Leicestershire Francis Ince 44-62 A report...fluorspar may yet see a resurgence of interest in re-evaluating deposits in the north of England, and it...Roughton Gill Mine worked a number of veins in the north face of Iron Crag, of which the Roughton Gill South |
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| metamorphism" (see Min. Mag., xxii r 524). Application of Mr. Macgregor's principle in the Lizard district of Cornwall...Shore to Millenderdale—into two parts. The first area takes in the country lying to the east of the Garnaburn-Lendalfoot...obscure opaque saussurite. Other masses in the eastern area include ophitic olivine-dolerites, some of which...discernible grouping or arrangement of types within the area under discussion. West of the Garnaburn-Lendalfoot...although occasionally, as in one of the masses to the north of the cottage known as High Balhamie, a curious |
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| The general shearing increases in intensity from north to south, the rocks in the two southernmost blocks...blocks being mainly chlorite-schist. In the north, however, some magnesium-rich ultramafic hornblendites...hydrolysis. Faulted against the plutonic rocks is a small area of pillow lavas and felsic tuffs , the Warren House...hydrolysis hornblende reacted to give chlorite and epidote, biotite was chloritised, and plagioclase became...dimensions are approximately 12 by 1 kilometres on a north-south line extending southward from Great Malvern |
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| structure, and mineralization in the Beaver-Tarryall area, Park County, Colo., a reconnaissance report, by...Geology and ore deposits of the Shafter mining district, Presidio County, Tex., by Clyde P. Ross _______...ILLUSTRATIONS Page PLATE 1. Geologic map of Beaver-Tarryall area, Park County, Colo__ In pocket 2. Geologic sections...pocket 3. Generalized map of Beaver-Tarryall area, showing area of metamorphosed rocks and outlines of larger...of brecciated chert from locality 1, plate 23; B, Face of prospect in Mississippian chert, south side of |
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| igneous rocks of Bute. The igneous rocks in the area have been mapped and studied with the aid of numerous...certain occurrences of rocks hitherto unknown in the district will be recorded, while in some cases evidence...of Permo-Carboni ferous age, while those with a north and south trend are Kainozoic dolerites. The southern...which crosses the island at Kingarth. South of this (see map) igneous rocks occupy the bulk of the ground...446). He gives the height of the Garroch Head district as 600 to 800 feet, while for the raised beach |
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| pink bipyramidal stokesite crystal, 6.5 mm long (see Figure 12, p. 43 for details). Penryn Granite Company’s...visible (top), LUV (middle) and SUV (bottom). East Face, Croft Quarry, Croft, Leics. Frank Ince specimen...Central Branch field excursions have visited this area over the years and it was, of course, one of the...thought in this article! Finally, we visit the north of England for Brian Young’s account of magnetite...aggregate; some of them since Roman times (Le Bas, 1993; see also Fenn, R.W.D. Quarrying at Croft, Part 1: The |
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| Mendenhall, Director Bulletin 849 D THE MOUNT EIELSON DISTRICT ALASKA BY JOHN C. REED Investigations in Alaska...Mount Eielson district- _________ In pocket Geologic map of the Mount Eielson district.___________ In...Mount Eielson district..--. In pocket Geologic map of part of the Mount Eielson district._____ In pocket...mainly of mixed sulphides (the Eureka area in the Kantishna district, Mount Eielson, formerly known as Copper...arrive at a final judgment of the resources of the area but pointed to the desirability of further tests |
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| -pring«r cr® body, centours Isologic e-.ap if th* ^tank area. sologio plan and vertical loni^Lttidinal p«ijectlon...in City District, Sugene Mountains, Pershing County, Nevada ^ ABSTRACT The ^111 City district is situated... arshlng County, Mavada. For 25 /ears this district has been one of the leading domestic producers...granodiorite and hornblende andesite. In the tungsten district the sedimentary rocks have been metamorphosed... and all mining and milling operations in the district are con* ducted by this company* The geology of |
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| Asia. The general boundaries are therefore: in the North, Britain and Scandinavia, in the South, the Mediterranean...his views on the copper mines of Gt Ormes Head in North Wales. I would also like to thank the many archaeologists...Studies also kindly supplied up to date material. I am also grateful to Professor B. Jovanovic of the Institute...What must be remembered is that progress travelled north from the Near East and the Balkans in early Neolithic...Level surface, (b) steeply dipping terrain or cliff face. All seams outcrop at the surface unless laid down |
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| OF THE INTERIOR GEOLOGY OF THE HANOVER-YORK DISTRICT PENNSYLVANIA GEOLOGICAL SURVEY PROFESSIONAL PAPER... three-quarters of a mile north of Craley; B, Marburg schist, 1 mile north of Windsor; C, Marburg schist...________________ 13. A, Marburg schist, 1 mile north of Marburg; B, Marburg schist, showing greater detail;...Hanover-York district and adjacent region, showing major structural axes and thrust faults north of the Martic...Maryland, showing location of the Hanover-York district. ____________________________________________ |
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| zone rocks and 2-6 in transitional and lowermost epidote zone rocks (data determined fron 23 rocks by the...microcline is the only other feldspar recorded. in this area. It has only been found in rhyolitic metatuffs drt...study culminates before the first appearance of epidote. rn basic metaigneous rocks lawsonite appears approximatery...persists up to the lowermost epidote zone where it coexists with epidote as discrete crystals (e.9. 23965...efines the beginning of the epidote zone. In the region of this study epidote is never abundant, in metasedimentsr |
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| 1921) GEOLOGIC MAP OF THE MT. BARING-GUNN PEAK. AREA, CASCADE RANGE, WASHINGTON YEATS, PLATE 1 Geological...Ventura, Calif. Crystalline Klippen in the Index District, Cascade Range, Washington Abstract: At Mt. Baring...Facing 1. Geologic map of the Mt. Baring-Gunn Peak area, Cascade Range, Washington . . . . 549 2. Structural...outcrop and hand specimen of migmatitic rocks, Index district, Cascade Range, Washington 552 3. Larger structural...rocks, at least in part of Permian age, Index district, Cascade Range, Washington 554 Geological Society |
 | Peach, B. N., Horne, J., Hinxman, L. W., Crampton, C. B., Anderson, E. M., Carruthers, R. G. (1913) The Geology of Central Ross-shire (Explanation of Sheet 82) Memoirs of the Geological Survey, Scotland. The Geological Survey of Scotland | Report (volume) |
| cr11e11tinr :O[ora.ine i11 foregrot1ntl. • • I THE district described in this Memoir comprises the western...of the North-West Highlands of Scotland,'' published in 1907·. In this region the northern face of Beinn...Beinn Eighe, and a part of Glas Bheinn, north of Loch Carron were mapped by Dr. Peach, the Coulin and A...Torridon and Strathcarron by Mr. Hinxman. A small area of Torridonian rocks in the ·extreme no1..th-west...a' Ghlas Leathaid. To Dr. Horne was allotted the area between Kinlochewe and the Highland Railway south |
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| Broadhurst, Raleigh, North Carolina Secretary: E. Willard Berry, Duke University, North Carolina PROGRAM...Maryville, Tennessee Roy L. Ingram, Chapel Hill, North Carolina EXCURSION LEADERS Philip B. King, Jarvis...Introduction Outline of geology of Great Smoky Mountains area Method of presentation Four sequences of rocks Rocks...Chilhowee Mountain Miller Cove fault Rocks of foothill area Greenbrier fault Gatlinburg fault system1 Cataloochee...anticlinorium Rocks of mountain area Rocks intrusive into Ocoee series of mountain area Effects of metamorphism |
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| the western border a narrow -strip belongs to the North-West Highlands, in the sense usually employed by...Moine Thrust. That ground has been described in the North-West Highlands Memoir t published in 1907. On the...were· being mapped. The earliest workers in the district were B. N. Peach, John Home, H. M. Cadell, E....period before the outbreak of \Var. The great central area of Northern Sutherland was surveyed after the War...opportunity of visiting m·any other parts of the area described and collecting such information as was |
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| productivepropertieshave been thoseof the Virgilina district. At the presenttime a numberof propertiesare being...Virgilina district,whichincludes Halifax county, Virginia; and Person and Granville counties, North Carolina...Floyd-CarrollGraysoncountiesplateau. IV. The Triassic Area. Includesthe depositsnear Leesburgand Drakeville...shalesandstoneseriesof the Triassic areas. In the Virgilina district the oresoccurin quartzfissureveinswhichintersector...former. THE VIRGILINA DISTRICT. IntroductoryStatem•nt.--The Virgilina district,whichderives its name'from |
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| WESTMORLAND; With Notes on the Tectonics of the District. 11\' JOHX J. HAKfLEY, :.\1.5c., F.G.S. ~[(...some of the most striking scenery in the Lake District. These two valleys are separated from each other...elevation of about 700 feet, just above and to the north of Blea Tarn. The valleys run approximately from...Range and rise to nearly 3,000 feet. From south to north these fells include Crinkle Crags, Bowfell, the...overtopped to the north by the moorlands of Ullscarf and High Raise, the southern face has, in places, |
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| and Ore Deposits of the Virgilina District of Virginia and North Carolina FRANCIS BAKER LANEY JorNrr...Concentration by flotation Smelting ore in the district Summarr' ........ L52 ........ rlz .. .. . ... ILLUSTRATIONS PLAlE I. Geologic map of the Virgilina district. . ..In pocket FACING PAGE (A) Outcrop of...greenstone, North Fork of Aaron's Creek; (B) Typical outcrop of Virgilina, greenstone 3 miles north of Vireilina...chalcocite in bornitc; (B) Photo micrograph of another area of the specimen illustrated in (A) .. XIV. (A) |
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| THE BORROWDALE VOLCANIC SERIES AS DEVELOPED IN THE AREA LYING BETWEEN THE LAKES OF GKA.SMERE, WINDERMERE...with in paper includes the greater portion T H Eof area the valleys of the Rivers Rothay and Brathay which...reach to about the same level. The area is bordered to the north and west by ground rising to levels...Silurian rocks. The district is thus one of marked topographical relief. The area covers portions of the...2 ; and is about twelve square miles in area. This district was geologically surveyed during the years |
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| wonderful fossil insect imprint recently discovered in North Attleboro. How I wish I had GPS and a digital camera...challenge of revising and further completing my work. I am grateful to the members of the Boston Mineral Club...offices and saw a spreading rust stain on the rock face jutting out beneath the Blue Hills Tennis Club....at Boston College. In a similar formation in North Carolina, enough was found recently to warrant opening...worth pursuing." Gleba, who is also exploring in the area of the old Newbury mine and hopes sometime in his |
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| the results obtained from a study of Cromar, an area small enough to admit of detailed petrographical...discussion of the full igneous history of the area. The district examined in detail is shown in fig. 1. It...researches dealing in particular with the Cromar area there are none. It was briefly described by L. W...this paper are called "granitic gneiss." The Cromar area is placed by G. BABROW [9] within his "sillimanite...Sketch-map of part of Cromar, Deeside. the limits of the area studied in detail, the metamorphic rocks of sedimentary |
