 | | Journal (article/letter/editorial) | | Ackermand Tectonic framework of the Precambrian of Madagascar and its Gondwana connections: a review and reappraisal...1993/Accepted: 31 January 1994 Abstract The Precambrian of Madagascar is divided into two sectors by the north-west...marbles) of Kibaran age are present in western Madagascar. Two partly greenschist grade sedimentary groups...basement in north-east Madagascar. Isotopic age data suggest the presence in Madagascar of Archaean, Early...Universitaire d'Ambohitsaina, BP 906, Antananarivo, Madagascar T. Razakamanana D6partement de Sciences Naturelles |  | | Journal (article/letter/editorial) | | Ackermand Tectonic framework of the Precambrian of Madagascar and its Gondwana connections: a review and reappraisal...1993/Accepted: 31 January 1994 Abstract The Precambrian of Madagascar is divided into two sectors by the north-west...marbles) of Kibaran age are present in western Madagascar. Two partly greenschist grade sedimentary groups...basement in north-east Madagascar. Isotopic age data suggest the presence in Madagascar of Archaean, Early...Universitaire d'Ambohitsaina, BP 906, Antananarivo, Madagascar T. Razakamanana D6partement de Sciences Naturelles |  | | Journal (article/letter/editorial) | | June 29, 2016 REV. R. BARON ON THE GEOLOGY OF :MADAGASCAR. 305 18. N o ~ s on the GrozooY 0fM*DXGASCAR...] [PLATESXIII. & XIV.] GE~-ERAL DESCRIPTION. MADAGASCAR is as yet almost a terra incognita to the geologist...of this great island. The central portion of Madagascar is generally regarded as consisting chiefly of...by far the greater part of the eastern half of Madagascar consists of gneiss and other crystalline rocks...of the island ~. Hence the roads from Central Madagascar to the east run over an endless series of more |  | | Journal (issue) | | resembles greenish-blue aquamarine from Tongafeno (Madagascar) but also contains three-phase inclusions like...two papers reflect the growing importance of Madagascar and describe features of sapphires from a new...looked very similar to aquamarine from Tongafeno, Madagascar (Figure l), 1 but which had different physical... 6 Apart from the aquamarine from Tongafeno, Madagascar, which it resembles in appearance, there are...Medium-dark blue aquamarines from Tongafeno, Madagascar, with high physical and optical properties, and |  | | Journal (issue) | | vesuvianite from the Crazy Sphinx mine, Helena District, Lewis and Clark County, Montana. Collected in...early lead mines in the Upper Mississippi Valley district (Mineral Point and others). The animal which appears...ranges in the southern part of the Lake Superior District (the Marquette, Menominee, Gogebic, Cuyuna, Gunflint...Deposition of iron formations in the Lake Superior District ended abruptly 1850 million years ago, suspiciously...to the formation of the famous Michigan Copper District), the Gogebic Range was faulted and tilted nearly |  | | Book | | Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...especially during the 1970s (see this entry for Actinolite, Fluorapatite, Prehnite, Pumpellyite). Ilmenite...of rutile (Weerth, 2004). Tonniq Valley, Skardu district, Gilgit-Baltistan [Northern Areas]. Beginning...testing to be hematite. Zagi [Zegi] Mountain, Warsak district, North West Frontier Province. Surface diggings...to 6 cm (2005: 120). Los Remedios mine, Taxco district, Taxco, Guerrero. Ilvaite occurs in the wallrock |  | | Book | | 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...Nicollel displayed a poster on granulites in Madagascar and their place in the Mozambique belt showing...India (Grew, 1982b); Algeria (Ouzegane, 1981), Madagascar (Nicollet, this volume); southern Africa (Waters |
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Tsitondroina, Ikalamavony District, Haute Matsiatra, Madagascar