 | | Journal (article/letter/editorial) | | Printed in Great Britain CONTRIBUTIONS OF FOREST OPAL AND ASSOCIATED CR YST ALLINE PHASES TO FINE SILT...(SEM) is useful in the identification of biogenic opal. Opaline spheres, cups, and scrolled or convoluted...aggregate e~tinction. Between 2/ 3 and 3/4 of the total opal isola te from deciduous tree leaves was solubilized...species. Biogenic opal of forest origin was about 10-15 times more soluble than grass opal, which probably...higher specific surface of the former. INTRODUCTION Opal is commonly considered a hydrated amorphous silicate |  | | Book (edition) | | publica1ions) 'Third edi1ion'-Forcword. Rev. ed. of: An index of mim:ral species & varie1ics arranged chemically/...of Minemls was published and it soon proved to be an important and standard reference work for mineralogists... The number of known species is now around 3500- an increase of some 600 in the last ten years - and...Embrey obtained an on-line version of the second edition and its appendices by editing an optically-character-read...Pennsylvania, USA. Introduction This volume is the third edition (retitled) of M. H. Hey"s An Index of Mineral |  | | Book | | Truran, Jr. and A. Heger University of Chicago, IL, USA 1.01.1 INTRODUCTION 1.01.2 ABUNDANCES AND NUCLEOSYNTHESIS...accompanied by significant mass loss, and they evolve to white dwarfs of carbon– oxygen (or, less commonly, oxygen...oxygen, and silicon burning to proceed. Collapse of an iron core devoid of further nuclear energy then gives...can leave in its wake compact stellar remnants: white dwarfs, neutron stars, and black holes. Indeed,...binary systems, mass transfer can take place from an evolving companion onto a compact object. This naturally |  | | Book (volume) | | sheets of panoramic views taken from several of the White Mountain summits,— from free-hand sketches. One...have been supplied by the 4 SURFACE melting of an immense sheet of ice. GEOLOGY. These deposits thus...transported southward from their native ledges. Where an outcrop of rock is so peculiar that its boulders...which, with much probability, refers the icesheet to an astronomical cause, and claims to determine the...first position. This theory accordingly supposes that an ice-sheet was produced several .times about each |  | | Book (volume) | | Charing Cross Hospital. Pathologist to the London County Asylums. Fullerian Professor of Physiology at the...Association, 1887-1889. F. X. K. | Paralysis. j Ony*; [ Opal. Franz Xaver Kraus (1840-1901). Professor of Church...Formerly art-critic of the Saturday Review. Author of An Art Tour in the Northern Capitals of Europe; Schools...Historical Introduction to the Private Law of Rome, and of an edition i of the Institutes of Gaius and Rules of...original significa¬ tion of an ode was a chant, a poem arranged to be sung to an instrumental accompaniment |
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