| | Journal (article/letter/editorial) | S.W.,Australia BesrIenNJ. HrNssNaNoDnvtp R. Gnnvt Schoolof Applied Geology,Uniuersityof New South Wales...two-phase region marking the orthopyroxene-to-pigeonite transition in the system CaO-MgO-FeO-SiO, intersectsthe...determining pyroxene stability. The data provide new information pertaining to the still poorly-understood...occur near Ravensworth, N.S.W., Austrafia on portions 150 and 226, Parish Lidell, County Durham. The field...overlying cinderedseamsat Wingen, 45 km north of Ravensworth (David, 1907). Overburden of the seams was probably | | | Journal (article/letter/editorial) | anorthite, low Ca-pyroxenes (clinoenstatite, pigeonite), ±minor augite, ±olivine, Fe–Ti oxides and K-bearing...of pyroxene crystallization was Mg-pigeonite → augite → Fe-pigeonite and Mgclinoenstatite → borderline...borderline Fe-clinoenstatite/pigeonite. More siliceous paralava compositions contain anorthite, clinoenstatite...(°C) Paralava minerals Olivine Anorthite Augite Pigeonite Clinoenstatite/ferrosilite Cordierite Apatite...grains are Fe–Ti oxide. Bar scales = 200 mm. (pigeonite and probable clinoenstatite), ±rare augite, Fe–Ti | | GIETZEN, Katherine M., LACY, Claud H. S., OSTROWSKI, Daniel R., SEARS, Derek W. G. (2012) IRTF observations of S complex and other asteroids: Implications for surface compositions, the presence of clinopyroxenes, and their relationship to meteorites. Meteoritics & Planetary Science, 47 (11) 1789-1808 doi:10.1111/maps.12013 | Journal (article/letter/editorial) | chondrites (EOC). On the basis of literature data and new spectra low-Ca clinopyroxenes, we suggest that the...clarifying this question. In this article, we report new near-IR spectra for nearly 30 S complex asteroids...significantly different near-IR spectra. We compare our new data for Ca-poor clinopyroxenes with the data from...Aegerine Clinoenstatite Clinoferrosilite Jadeite Pigeonite Spodumene NMNH C2431 NMNH 163346 NMNH 145787... Massachusetts Napoui, New Caledonia Ravensworth, New South Wales, Australia Clear Creek, California | | | Report (issue) | GEOLOGICAL SURVEY OF GREAT BRITAIN ENGLAND AND WALES Geology of the Country around Barnard Castle •...• Explanation of One-Inch Geological Sheet 32, (New Series) by D. A. c. MILLS, B.Sc. and J. H. HULL...central, eastern and south-eastern areas and by Mr. J. H. Hull in north-western and south central parts. Mr...Mr. C. R. Burch resurveyed parts of the west and south, and Mr E. A. Francis the extreme north-east corner...given on page xi. Solid and Drift editions of the new one-inch map were published in 1968. The task of |
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