 | | Journal (article/letter/editorial) | | and associated minerals from Carneal and Scawt Hill, Co. Antrim P. A. SABINE,* M. T. STYLES,~AND B. R....hightemperature, low-pressure,exomorphic suite of Carneal, Co. Antrim. Although this mineral is very rare in nature...remarkably similar to that from the type locality, Scawt Hill (also analysed here), and that it is an individualmineral...Analyses are presented for the associated minerals larnite (allowing appraisal of its composition), spurrite...comparative studies on the type minerals from Scawt Hill. It is confirmed that the natural mineral has |  | | Report (issue) | | Larnite ¯{Ca2 SiO4 c 2001 Mineral Data Publishing, ver sion 1.2 ° Crystal Data: Monoclinic. Point Group:...Chemistry: SiO2 Al2 O 3 Fe2 O3 FeO MgO CaO Na2 O H2 O+ CO 2 P2 O5 Total (1) 31.00 1.12 trace 0.64 0.69 64...61 0.82 0.32 99.86 100.13 100.00 (1) Scawt Hill, Ireland; minor spurrite impurity. (2) Do.; by electron...gehlenite, merwinite, perovskite, wollastonite (Scawt Hill, Ireland); rankinite, kilchoanite, scawtite, hydrogrossular...Israel). Distribution: At Scawt Hill and Ballycraigy, near Larne, Co. Antrim, Ireland. In Scotland, from Camas |  | | Report (issue) | | c = 6.739(9) Z=4 X-ray Powder Pattern: Scawt Hill, Ireland. 2.730 (100), 2.663 (100), 2.259 (80), 1...recalculated after deducting impurities. (2) Scawt Hill, Ireland; by electron microprobe, original analysis...diabase (Scawt Hill, Ireland) or syenite monzonite (Marble Canyon, Texas, USA). Association: Larnite, spurrite...magnetite (Scawt Hill, Ireland). Distribution: In the USA, at Marble Canyon, Culberson Co., Texas. In...In Ireland, at Scawt Hill and Ballycraigy, near Larne, Co. Antrim. At Camas Mµor, Isle of Muck, Inverness-shire |  | | Journal (article/letter/editorial) | | MINERALOGIST, VOL. 51, NOVEMBER_DECEMBER, LARNITE AND ? DICALCIUM FROM MARBLE CANYON 1966 SILICATES...Lubbock, T enas.r Alstnact The a' (bredigite), p (larnite) and 7 (unnamed) forms of dicalcium silicate (CarSiOr)...syenite-monzonite intrusion in Marble Canyon. Bredigite, larnite and 7 have consistant crystallographic orientations...were found in a contact zone in Larne, IreIand and given the names larnite and bredigite. Until 1964,no...College, Emporia, Kansas. 1766 BREDIGITE AND LARNITE 1767 tary-igneous contact, the gray monzonite |  | | Report (issue) | | calcium silicates in larnite-spurrite contact metamorphic rocks (Scawt Hill, Ireland); in fumaroles (Vesuvius...Association: Afwillite, calcite, larnite, spurrite (Scawt Hill, Ireland); calcite, halite (Jebel Awq, Oman);...district, Germany). Distribution: From Scawt Hill, Larne, Co. Antrim, Ireland. On Vesuvius, Campania, Italy....the Maqarin area, north Jordan. From Jebel Awq, Northern Oman Mountains, Oman. Large crystals and masses |  | | Journal (article/letter/editorial) | | LARNITE, SCAWTITE, AND HYDROGROSSULAR FROM TOKATOKA, NEW ZEALAND Bnr,q.NMRsoN, The American Museum...of (1) hydrogrossular, thickness 6 inches; (2) larnite, thickness 30 inches; (3) scawtite, thickness 10...black rock which does not effervescewith acid-the larnite zone. Detailed collection from the contact zone...contact, when it passesrapidly into dense black larnite rock. This zoneis about thirty incheswide, and...noticeably smaller towards the contact. 381 LARNITE, SCAWTITEAND HYDROGROSSULAR The chemical composition |  | | Journal (article/letter/editorial) | | SOCIETY No. 125. June, 1929. Vol. XXII. On larnite (calcium orthosilicate, a new mineral) and its...minerals from the limestone contact-zone of Scawt Hill, Co. Antrim. By C. E. TmLEY, B.Sc., Ph.D., F.G.S. Department...and Tertiary dolerite at Scawt Hill, T HEnearcontact-zone Larne, Co. Antrim, consists of an assemblage...calcite, are spurrite, calcium orthosilieate (larnite), melilite (gehlenite), "merwinite, spinel, perovskite...given in 1927.1 The rocks of the contact-zone of Scawt Hill were described as long ago as 1907 by G. C. Gough |  | | Report (issue) | | California, USA; total Fe as Fe2O 3 : (2) Ballycraigy, Ireland; remainder is trivalent metal oxides. (3) Ca7 Si6...Association: Melilite, spurrite, tobermorite, thomsonite, larnite, grossular, bultfonteinite, calcite, analcime,...hillebrandite. Distribution: At Scawt Hill and Ballycraigy, near Larne, Co. Antrim, Ireland. On the Zeilberg, near...USA, at Crestmore, Riverside Co., California, and near Neihart, Cascade Co., Montana. From Kushiro, Hiroshima...Name: For the locality where ¯rst found, Scawt Hill, Ireland. Type Material: The Natural History Museum |  | | Journal (article/letter/editorial) | | X-RAY STUDY OF SCAWTITE FROM BALLYCRAIGY, LARNE, N. IRELAND J. D. C. McCoNNBrr., Department of Mineralogy...collected at Ballycraigy, Larne, N. frehnd, where it occurs in a vesicle in larnite rocks in association with...the material from Ballycraigy and scawtite from Scawt Hill was provided by comparing the optical and cell...The occurrenceof scawtite at Ballycraigy, Larne, N. Ireland, has already been noted (N{cConnell1954,p... Scawtitewas found lining a single vesicle in larnite rocks from the dolerite-chalk contact at this locality |  | | Journal (article/letter/editorial) | | 672 The hydration of larnite (fi-Ca2SiO~) and bredigite (al-Ca2Si04) and the properties of the resulting...phase from the natural dicalcium silicate minerals larnite and bredigite is described. Detailed study of the...study of gel pseudomorphs after single crystals of larnite and bredigite in thin section. The orientation...Ballycraigy and Scawt Hill, both of which 673 I:[YDRATION OF LARNITE A~,TD BI:CEDIGITE are near Larne, County...County Antrim. In a previous paper the natural gel from Ballycraigy was briefly described, and identified |  | | Report (issue) | | 12 26.81 45.93 Total 99.5 100.00 • (1) Scawt Hill, Ireland. (2) Ca6 Al2 (SO4 )3 (OH)12 26H2 O. Mineral...contacts or in xenoliths; as weathering crusts on larnite rocks (Hatrurim Formation, Israel). Association:...Association: Portlandite, afwillite, hydrocalumite (Scawt Hill, Ireland); afwillite, hydrocalumite, mayenite, gypsum... Puy-de-Dôme, France. From Scawt Hill, near Larne, Co. Antrim, Ireland. In the Hatrurim Formation, Israel...Crestmore quarry, Riverside Co., California; in the Lucky Cuss mine, Tombstone, Cochise Co., Arizona. Name: For |  | | Journal (article/letter/editorial) | | Asnr,v, Secretaty Pro-Tem' NEW MINERAL NAMES LARNITE and its associC. E. Trr.r.nv: On Iarnite (calcium...contact-zone of Scawt Hill, Co. alog, Mag.,22, 77-86, 1929. vicinity of From the name of the locality, Larne, in...in Co' Antrim, in the NAw: which the mineral occurs. Larnite Cromclr, PRoPERTTES:Calcium orthosilicate...occunnrrcn: Larnite is found in the contactzoneof charkand rertiary dorerite at Scawt Hill, near Larne, Co. Antrim...(a) spurrite (b) spurriteJarnite (c) spurrite-larnite-melilite (d) spurrite-melilite-merwinite-spinel_larnite |  | | Report (issue) | | c = 16.271–16.292 X-ray Powder Pattern: Scawt Hill, Ireland. 7.92 (vvs), 3.99 (vs), 2.87 (s), 2.46 (s)...8 34.1 1.0 Total 98.4 100.6 99.3 (1–2) Scawt Hill, Ireland. (3) Boisséjour, France; corresponding to...ettringite, larnite, plombièrite, hydrogrossular, calcite. Distribution: At Scawt Hill, near Larne, Co. Antrim...Antrim, Ireland. From Boisséjour, near Ceyrat, Puy-de-Dôme, France. At Campomorto, Montalto di Castro |  | | Journal (article/letter/editorial) | | XXll. The dolerite-chal]c contact of Scawt Hill, Co. Antrim. The production of basic alkali-roclcs... Field Occurrence. Scawt Hill, situated six miles n o r t h of Larne, Co. Antrim, forms a prominent height...edge of the Antrim 'plateau basalt' lavas. The geological structure of this portion of Antrim is comparatively...chalk and older Mesozoic rocks is covered by the Antrim Tertiary basalts, which are divisible into a lower...of bauxitic and pisolitic iron-ore deposits. Scawt Hill itself forms a mass of olivine-dolerite breaking |  | | Report (issue) | | high-temperature calc-silicate skarns. Association: Larnite, melilite, spurrite, kilchoanite, nagelschmidtite...magnetite. Distribution: From Scawt Hill, near Larne, Co. Antrim, Ireland. Found near Kilchoan, Ardamurchan...Prefecture, Japan. In the Christmas Mountains, Brewster Co., Texas, USA. In the Hatrurim Formation, at Hatrurim...silicate (rankinite), a new mineral from Scawt Hill, Co. Antrim. Mineral. Mag., 26, 190{196. (2) (1942) |  | | Report (issue) | | 7.3 c = 56 X-ray Powder Pattern: Ballycraigy, Ireland. 3.17 (msb), 3.01 (msb), 2.81 (ms), 1.83 (ms),...100.00 (1) Plombières, France. (2) Ballycraigy, Ireland. (3) Hatrurim Formation, Israel; by electron microprobe...hydration of bredigite and larnite at a diabase-chalk contact (Ballycraigy, Ireland). Association: Zeolites...France. At Ballycraigy and Scawt Hill, near Larne, and Carneal, Co. Antrim, Ireland. From Klöch, Styria, Austria...Hatrurim Formation, Israel. At Crestmore, Riverside Co., California, USA [TL]. At Fuka, near Bicchu, Okayama |  | | Journal (article/letter/editorial) | | 948 Ferrian chlorospinel from Carneal, Co. Antrim By P. A. SABI~qE, with chemical analysis by G. A...Summary. A Tertiary dolerite plug at Carneal, Co. Antrim has been contaminated by Chalk with the production...Geological Survey of Northern Ireland (Institute of Geological Sciences) at Carneal, Co. Antrim (Robbie, 1960)...described in the classic series of researches on Scawt Hill by Tilley and his colleagues (especially Tilley...and aegirine, and in the contact zone there are larnite, scawtite, spurrite, merwinite, wollastonite, gehlenite |  | | Journal (article/letter/editorial) | | a dolerite-chalk contact at Ballycraigy, Larne, County Antrim, a mineral was examined and subsequently...I THE 11"3 ~. HYDRATE :FROM BALLYcRAIGY, LARNE, Co. ANTRIM. This mineral occurs in cavities in contact-rocks...rocks were obtained is similar to t h a t a t Scawt Hill (Tilley, 1931) and was exposed in a t e m p o...mile north of Lame, has no connexion with the Scawt Hill plug, six miles north of Lame. The hydrate mineral...association with the mineral scawtite in vugs in larnite-rocks from the endogenous zone of the contact, |  | | Journal (article/letter/editorial) | | Progressive metasomatism in the flint nodules of the Scawt Hill contact-zone. (With Plate XXI.) By C. E. TILLEY...describing the chief assemblages of the Scawt Hill contact-zone in Co. Antrim brief reference was made to the...original nodule and being sharply demarcated from the larnite-spurrite-rocks by which they are encased. Where...more intense as the junction is approached, the larnite-rock in the vicinity of the nodules tends to become...ALDERMAN ON colour of much of, the xonotlite of Scawt Hill must be ascribed to ferrous iron which with sodium |  | | Journal (article/letter/editorial) | | 324 Ettringite from Scawt Hill, Co. Antrim. By F. A. BANNISTER, M.A. Assistant-Keeper in the Mineral...of Chalk and Tertiary dolerite at Scawt Hill, near Larne, Co. Antrim. There it occurs with three other...portlandite, and hydroealumite, as infillings of a larnite rock. a Sufficient material was isolated to effect...fresh cleavage fragments4 of ettringite from Scawt Hill handed to Mr. Hey for chemical analysis, Professor...the largest crystal of ettringite yet found at Scawt Hill, measures 1 j. Lehmann, Neues Jahrb. Min., 1874 |  | | Report (issue) | | Association: Monticellite, wollastonite, spurrite, larnite, merwinite, \fassaite," grossular, diopside, forsterite...Crestmore, Riverside Co., California; on Cascade Mountain, Adirondack Mountains, Essex Co., New York; and...the Tres Hermanas district, Luna Co., New Mexico, USA. On Dufresne Hill, Oka, Quebec, Canada. From near...Ardnamurchan, Argyllshire, Scotland. At Scawt Hill, near Larne, Co. Antrim, Ireland. In the Wessels mine, near Kuruman |  | | Journal (article/letter/editorial) | | dolerite and Chalk at the intrusion of Scawt Hill, Co. Antrim, Ireland. The melilite occurs both in the hybrid...latter x it is associated with spurrite, Ca2Si04 (larnite), merwinite, spinel, and calcite. The following...melilite of the hybrid rock. The dolerite of Scawt Hill is a normal ophitic type built up essentially...100-00 99-86 100-51 100-34 1. Humboldtilite, Scawt Hill, Co. Antrim. Analyst, Dr. H. F. Harwood. la. Analysis...akermanite, and pseudo-sarcolite, the melilite of Scawt Hill corresponds (see Formula A) quite closely to |  | | Journal (article/letter/editorial) | | orthosilicate has been previously reported as the mineral larnite, fl-Ca2SiO4. This study found a range of Fe for...Ca2SiO4 to Cal.ssFe0.15SiO4 has the structure of larnite; the range Cal.ssFe0.1sSiO4 to Cal.6Fe0.4SiO4 has...was obtained for this microscope initially by Ireland (1982) and refined whenever possible. Table 2....of natural larnite from the dolerite limestone contact at Scawt Hill, Larne, Northern Ireland (described...Calcium orthosilicate ]~-calcium orthosilicate or larnite (]~-Ca2Si04), has long been known to occur in sinter |  | | Journal (article/letter/editorial) | | disilicate (ranlcinite), a new mineral from Scawt Hill, Co. Antrim. (With Plate V.) By C. E. TILLEY, B.Sc...compound forms with pseudowollastonite-gehlenite and larnite-gehlenite two three-phase equilibrium assemblages...are represented by larnite, melilite, and wollastonite at the locality of Scawt Hill, but hitherto the...examination of further material among the larnite-rocks of Scawt Hill has now revealed its presence in several...to be obtained, and account of the mineral at Scawt Hill will therefore be prefaced by a note on the slag |  | | Report (issue) | | 16 ¯ = 101 ± 190 Z=4 X-ray Powder Pattern: Luna Co., New Mexico, USA. (ICDD 13-496). 2.701 (100), 2...hillebrandite, scawtite, kilchoanite, rankinite, larnite, foshagite, wollastonite. Distribution: From the...at Crestmore, Riverside Co., California; in the Tres Hermanas district, Luna Co., New Mexico; and from...and Meagher Co., Montana. In Ireland, from Scawt Hill, near Larne, and at Carneal, Co. Antrim, and at Carlingford...Carlingford, Co. Louth. From Camas Mµor, Isle of Muck, and at Camphouse, Ardnamurchan, Argyllshire, Scotland |
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Scawt Hill, Larne, Co. Antrim, Northern Ireland, UK