 | | Journal (article/letter/editorial) | | unravel complex poly-metamorphic evolutions. Application to the UHT granulites of Andriamena (North-Central...(North-Central Madagascar) Received: 3 March 2003 / Accepted: 17 November 2003 / Published online: 20 January...Abstract In terranes subject to complex metamorphic evolution, zircon and monazite U-Pb system can record...or single grains from conventionally separated zircon and monazite populations may produce inaccurate...Temperature (UHT) granulites from North-Central Madagascar. Four distinct events on a single thin section |  | | Journal (article/letter/editorial) | | Gondwana collision zone by U–Pb zircon dating of granites from central Madagascar Jean-Louis Paquette b a,)...and West Gondwana during Neoproterozoic times. Madagascar, which represents a fragment of East Gondwana...tectonic setting have been dated using the U–Pb zircon method in order to constrain the timing of orogenic...orogenic events. The central part of Madagascar is characterized by syntectonic alkaline granitic sheets...both mantle and crustal derivation. Their U–Pb zircon ages are well defined between 627 and 633 Ma for |  | | Book | | tpa/d SIC SUC USGS/USBM Bushveld Igneous Complex Complex Department of Mines and Geology Department...annum/day Sudbury/Stillwater Igneous Complex Sukinda Ultramafic Complex United States Geological Survey/...colored compounds, and an ability to form stable complex ions. The electrons they use to combine with other...sources of iridium are in the Bushveld igneous complex in South Africa, the large copper–nickel deposits...iron–nickel. The structure of the igneous complex at the Sudbury Mining District, Canada, was formed as the result |  | | Report (issue) | | Libya . . . . . . . . . . . . . . . . . . 81 Madagascar . . . . . . . . . . . . . . . 87 Malawi . . ...(ilmenite and rutile), vanadium, vermiculite, and zircon. Several of these-chromite, cobalt, diamond, and...were Gabon for manganese; Guinea for bauxite; Madagascar for graphite; Morocco for barite;. Namibia for... titanium, uranium, vanadium, vermiculite, and zircon. Nigeria and Libya were the largest producers of...203 '710 39,235 295 95 2,100 ' 150 00 Madagascar "2,500 600 113,834 '700 502,005 "2,300 Libya |  | | Book | | "high temperature" granulite from the Sutomsk Complex in the Aldan Shield. (Sample kindly provided by... . . . . . 171 The granulites of the Jequie complex and Atlantic Coast mobile belt, Southern Bahia... 257 Crustal evolution of the granulites of Madagascar. by C. NICOLLET. . . . . . . . . . . . 291 ...Academy of Sciences, 142432 Chernogolovka, Moscow District, USSR. 52' J. PERCIVAL, Commission Geologique...Academy of Sciences, 142432 Chernogolovka, Moscow District, USSR. 56 C.J. POTTER, Department of Geology |  | | Journal (volume) | | management of nuclear waste...........ix Kelly, N.M.: Zircon – more than just a chronometer......................................705 MC101 Bond topology in complex structures ......................................inclusions in “fibrous” diamonds have identified a more complex suite of high-density fluids (HDF), ranging from...patterns. The different types of HDF may reflect complex interactions between low-volume (mostly carbonatitic)...homogenization before eruption. This results in complex mineralogical zonation with Fo64-50, An69-9 and |
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