 | | Book | | with collectors, especially in recent decades. Scotland is one of several countries rich in agates, so...called 'Scotch pebbles'. The National Museums of Scotland house the national collection of Scottish agates...to the agate collection, published in 1899, was not illustrated. The National Museums of Scotland welcome...Geology National Museums of Scotland Edinburgh Outside and inside of halved agate (sec also fig 92) Front...detail of sagcnitic agate from Dun bog (sec also fig 90) Back cover: Blue Hole agate (sec also fig 5 I) |  | | Book | | the Southern of Old Ayrshire,” Red Sandstone Formation Carrick, Ayrshire, etc. “A thing of beauty... W. CROSS, Uplands Scotland,” Deposits of the of Ayrshire,” Ayrshire,” of the Arran of the...obtained a a structure of never the put his Ayrshire community, without returns I had advantage...stores, or in any way. J. SMITH. Dykes, Dalry, AYRSHIRE. 14 th February, 1910. SEMI-PRECIOUS STONES...the these ; to studied be can opposite Dunure and Linkentoms rocks are of the Lagg ; cutting |  | | Journal (article/letter/editorial) | | Macrocrystalline and Microcrystalline Quartz in Agate Using Thermogravimetry-Mass-Spectrometry Julia Richter-Feig...Chalcedony and macrocrystalline quartz from twelve agate samples were investigated, from Germany (Schlottwitz...and Zwickau), Brazil (Rio Grande do Sul), Scotland (Ayrshire) and the USA (Montana). They originate from...found. The results indicate a silica source for the agate formation from aqueous solutions but also a possible...mobilization and transport of SiO2 . Keywords: agate; quartz; chalcedony; thermogravimetry-mass-spectrometry; |  | | Journal (article/letter/editorial) | | owned by Stark Riggs. This place is about 15 miles south of Dos Cabezos, Arizona. Am mailing you a specimen...the mine, Hollister (San Benito C o . ) , Calif. south side of Indian River Inlet, Sussex Co., Del., by...between Annawan and Atkinson on U.S. Route 6 (mine is south of the highway.) IOWA—Michael Papcun, RR 1, Melrose...limestone. "Found at a coal strip mine 2 miles south of Knoxville, Iowa, in Marion County."—on label...of the Tennessee River. At a point about 3 miles south of Eastport a mine was formerly opened into this |  | | Journal (article/letter/editorial) | | Eur. J. Mineral. 2002, 14, 1109–1118 Agate: a study of ageing TERRY MOXON 55 Common Lane, Auckley, Doncaster...measured using X-ray powder diffraction. A plot of agate crystallite size vs log age of host rock shows a...increase in density. A high correlation between agate crystallite size and age of host rock shows that...determination of crystallite size in wall-lining agate allows either an estimation of the approximate age...rock or an identification of a known agate region. Key-words: agate, dating, silica, X-ray, genesis, density |  | | | | images Front cover top Agate from Germany; bottom Agate from Scotland. Back cover Agate from Germany. Title...Title page Agate from Russian Arctic coast. Distribution NBN International Estover Road Devon PL6 7PY ... UK Contents Introduction Names of agates What is an agate? Properties of agates Sources of agates...agates Europe Britain USA Canada Mexico South America Africa Asia Australia 108 111 122 131 138 144 ...different geological environments. Since the mid-1900s, agate collecting has become very popular in Europe, North |  | | Book | | Images Front cover top Agate from Germany: bottom Agate from Scotland. Back cover Agate from Germany. Title...page Agate from Russian Arctic coast. Distribution NBN International Estover Road Devon PL6 ?PY UK Contents...Introduction 4 Names of agates 6 What is an agate? 10 Properties of agates 44 Sources of agates...Britain 58 USA 76 Canada 108 Mexico 111 South America 122 Africa 131 Asia 138 Australia...geological environments. Si nce the mid-1900s, agate collecting has become very popular in Europe, North |  | | Book (volume) | | 80 OXIDES. JASP-AGATE liesembles both Dendritic Moss and Agate Agate in the chalce- donic...structure, which acts as a core This structure in Jasp- Agate is, however, much to pseudo-stalactites. larger...one and a Sutherland. an outlier half miles south of Cape Wrath, near Torridon Conglomerate, in...Potstone. The filamentous net-work is here brown. of Ayrshire. At Lagg Quarry, Fisherton, Ayr. structure is...Chalcedony. Occasionally a true agate structure of the fortification type occupies such portions of the |  | | Journal (issue) | | since then it has been reported as coming from South Africa and from Brazil. No exact locations are given...Czechoslovakia, Ireland, Japan, the Netherlands, South Africa, Sweden, and the Soviet Union as well as...May, 1976] THE AGATES OF THE MIDLAND VALLEY OF SCOTLAND (An appraisal of the work of Dr M. Forster Heddle)...interest that receive as little attention as the agate. Perhaps its relatively common abundance has had...little space to the many individual varieties of agate or their particular genesis. As a Scottish student |  | | Book | | Nortlrn·est Highlands of Scotland Con Gillen 9. The Inner Hebrides of Scotland Con Gillen 11. The Gulf...sters Da,·id Alexander Geology and landscapes of Scotland Con Gillen La catastrophe: A1ow11Pelee and the...London; National Museums of Scotland (Royal Museum and Museum of Scotland), Edinburgh; Oxford University...t.1useum (NaturalHistory). NMSNati:malMuseumof Scotland(RoyalMuseuma:idt.~JSe:.rm of Scot'a:1d). Edinb...labelled "South Tcrras mine, St Stcphen-in-Brannel, Cornwall". As a result of this work, South Terras mine |
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