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2 edition of composition and origin of the Antrim laterites and bauxites found in the catalog.

composition and origin of the Antrim laterites and bauxites

V. A. Eyles

composition and origin of the Antrim laterites and bauxites

by V. A. Eyles

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Published by H.M.S.O. in Belfast .
Written in English


Edition Notes

Statementby V.A. Eyles.
SeriesMemoirs of the Geological Survey
ContributionsGeological Survey of Northern Ireland.
ID Numbers
Open LibraryOL18571324M

  So it was that interest in the Antrim bauxites was rekindled and this led to re-investigation of local reserves. In new bauxite mines were opened at Newtowncrommelin known as the Skerry Mines. Other abandoned workings were reopened for their bauxite content and many Glenravel miners and sons of miners were recruited to work in the new mines. The composition of the laterite is determined by the composition of the parent rock. The most widespread acidic rocks with their high Al- and Si- and their low Fe-content give rise, in favourable cases, to formation of high grade-bauxites. Ferruginous bauxites .

P. Chemistry of bauxites and laterites Q. Chemistry of nickel silicate deposits R. Chemistry of manganese oxides S. Chemical composition of sandstones excluding carbonate and volcanic sands, by F. J. Pettijohn T. Nondetrital siliceous sediments, by Earle R. Cressman U. Chemical composition of shales and related rocksCited by: English: Images of laterites, bauxites and lateritization Laterite (called đá ong in Vietnam) in Sơn Tây, Hà Nội, Việt Nam. Cutting of laterite brickstones, Angadipuram, India.

Angadipuram Laterite is a notified National Geo-heritage Monument in Angadipuram town in Malappuram district in the southern Indian state of Kerala, special significance of Angadipuram to laterites is that it was here that Dr. Francis Buchanan-Hamilton, a professional surgeon, gave the first account of this rock type, in his report of , as "indurated clay", ideally suited for Country: India. Audio Books & Poetry Community Audio Computers, Technology and Science Music, Arts & Culture News & Public Affairs Non-English Audio Spirituality & Religion Librivox Free Audiobook ROSSO - Ardente How To Fix The Music Business Franko’s Podcast Savior Realty Expert Interviews Roxbury Presbyterian Church Proper Jones Neues von der A


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Composition and origin of the Antrim laterites and bauxites by V. A. Eyles Download PDF EPUB FB2

The composition and origin of the Antrim laterites and bauxites / by V.A. Eyles ; with Mineral determinations by X-ray methods by F.A. Bannister and G.W. Brindley, and J.

Goodyear H.M.S.O Belfast. The Composition and Origin of the Antrim Laterites and Bauxites. Author(s) Eyles, V.A. Publisher: Belfast: Her Majesty's Stationary Office. Publication year: Notes: Library holding:XE show all.

Memoirs of the Geological Survey of Northern Ireland: Mineral Resources. Just one memoir in this series was produced: 'The composition and origin of the Antrim laterites and bauxites' published in The term laterite means a red rock or red earth deposit.

Laterites are formed by the decomposition of different kind of rocks, under conditions yielding aluminum and iron hydroxides.

The different theories of origin are discussed, as well as the chemical process of laterization, and the geographic distribution of this peculiar type of by: 6. All laterites are marked by an enrichment of iron and a decrease of silica together with the highly soluble alkalis and alkaline earths.

But apart of these characteristics the composition and properties of laterites can be quite different and are strongly controlled by the chemical and physical features of the parent rock. Thermal and alternating field demagnetization studies of 23 basaltic lavas of the Lower Tertiary igneous province of Northern Ireland (the Antrim Basalts) have revealed a very stable but composite magnetization: the resultant appears to consist of a dominating reversed component, thought to be the original one, plus a certain superimposed magnetization of normal by: In book: Laterites of the Bengal Basin, pp the primary and secondary origin of laterites in West Bengal.

the mineralogical composition of ferricretes and bauxites are considered to. The lake iron-ores of Sweden, the bog iron-ores of various parts of Northern Europe, the manganese deposits of the Caucasus, and perhaps the iron-ores and bauxites of Antrim, must then all be classed as lake laterites of various by:   Many lateritic bauxites are pisolitic (Figure 1).

The word pisolitic comes from the Greek meaning pea-sized rock particles. When cut or broken open their inside surfaces reveal concentric bands of different mineral compositions.

Figure 1: Close-up of lateritic bauxite showing loose pisolitic bauxite and a lump of cemented : David Tilley.

Laterites are a source of aluminium ore; the ore exists largely in clay minerals and the hydroxides, gibbsite, boehmite, and diaspore, which resembles the composition of bauxite. In Northern Ireland they once provided a major source of iron and aluminium ores.

Laterite ores also were the early major source of nickel. The composition and origin of the Antrim laterites and bauxites. With Mineral determinations by X-ray methods.

V.A. Eyles, F.A. Bannister, G.W. Brindley, J. GoodyearThe Composition and Origin of the Antrim Laterites and Bauxites Memoirs of the Geological Survey, HMSO, Belfast () Google ScholarCited by: The composition and origin of the Antrim laterites and bauxites / by V.A. Eyles ; with Mineral determina Bauxites Review of research on laterites [by] R.

Maignien. The associated laterites and bauxites on middle Miocene basalts ( Ma) provide evidence for a global climatic optimum around Ma. Reduced uplift rates of the Himalayan-Tibetan Plateau and associated reduced CO 2 consumption, coupled with additional volcanogenic CO 2 production could have induced high atmospheric CO 2 and an Cited by: ().

The Composition and Origin of Antrim Laterites and Bauxites. Belfast: Her Majesty's Stationery Office. The Face of the Earth. THE FACTORIEs Acr NORTHERN IREILAND (/). Belfast: Her Majesty's Stationery Office. The Geology of Ireland. London:Author: G. Scott. A comprehensive survey, published inwas the first to recognise the lateritic origin of these iron ores and bauxite.

The lateritic iron ores formed when the aluminosilicate lattice of pyroxene, olivine and feldspar broke down to produce clay minerals and iron and aluminium oxides. “ The Composition and Origin of Antrim Laterites and Bauxites ”, Mem. Geol. Surv. U.K. “ The Composition of Co-existing Pyroxenes in Metamorphic Assemblages ”, “ The Tertiary Lava Succession in the Western Part of the Antrim Plateau ”, Cited by: This paper describes a palaeomagnetic investigation of some laterites, containing hematite and maghemite, which have been baked by an overlying Tertia We use cookies to enhance your experience on our continuing to use our website, you are agreeing to our use of by: Rare Earth Element Phases in Bauxite Residue Johannes Vind 1,2, * ID, Annelies Malfliet 3, Bart Blanpain 3, Petros E.

Tsakiridis 2 ID, Alan H. Tkaczyk 4 ID, Vicky V assiliadou 1 and. Get this from a library. The composition and origin of the Antrim laterites and bauxites. [V A Eyles; F A Bannister; G W Brindley; J Goodyear].

Antrim specimens,in which no strontium was detected. Whilst not conclusive, this evidence suggests that the source ofthe Scottish beads is not Antrim. However, since many of the composition and origin of the Antrim Laterites and Bauxites', Mem.

Geol. Surv. N. Ireland (). 4. Cole et alThe Interbasaltic Rocks (iron ores and bauxites) of North-East Ireland” Mem Geol Surv Irel 5. Bell & JolleyJ Geol Soc Lond, 6. Eyles, V.A.The Composition and Origin of the Antrim Laterites and Bauxites.

Mem Geol Surv.Bauxite protoliths are more diverse, since bauxites do not require such tight restriction to protolith chemistry, as is the case for Ni laterites. A few bauxites in the Tethys realm are intercalated within sedimentary rocks of Triassic (e.g., in Iran, Balkan peninsula) and Jurassic ages (e.g., in parts of Greece, Slovenia, Swiss and French Alps.