archil
archil or orchil , blue, red, or purple dye extracted from several species of lichen , also called orchella weeds, found in various parts of the world. Commercial archil is either a powder (called cudbear), a pasty mass (called archil), or a drier paste (called persis).
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Variscan evolution of the Tanneron massif, SE France, examined through U-Pb monazite ages
Magazine article from: Journal of the Geological Society; 3/1/2008; ; 700+ words
; ...pre-Variscan history in the central part of the massif recorded...Sea, the Maures-Tanneron massif forms part of the Crystalline...Pupin 1994). The Tanneron massif to the north (study area) is separated from the Maures massif to the south by an east-west...Permian basin (Fig. 1b). Both ...
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Permian exhumation of the Buffalo Pitts orogenic peridotite massif, northern Cordillera, Yukon.(Report)
Magazine article from: Canadian Journal of Earth Sciences; 3/1/2007; ; 700+ words
; ...an orogenic peridotitic mantle massif in central Yukon within northern Canadian Cordillera. The Buffalo Pitts orogenic massif is inferred to have been exhumed...metasedimentary wall rocks to the massif. Whole-rock chemical analyses...
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The evolution of the southern Menderes Massif in SW Turkey as revealed by zircon dating
Magazine article from: Journal of the Geological Society; 9/1/1999; ; 700+ words
; ...core complexes. The Menderes Massif is the westernmost part of...Alpine orogen (Fig. 1). The Massif is bordered by the Izmir...complex that consists of a central gneiss dome surrounded by a...tectonic event to which the entire massif was subjected took place in...
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Geochemical and structural constraints on the magmatic history of the Chandman Massif of the eastern Mongolian Altay Range, SW Mongolia
Magazine article from: Journal of Geosciences; 7/1/2008; ; 700+ words
; ...constraints identify the Chandman Massif as an intrusion of substantially...schlieren layering in the Chandman Massif granodiorites remain enigmatic...arcs, granite, Chandman Massif Received: 15 April 2008...the Late Cenozoic uplift of central Mongolia (Cunningham 2005...
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Underplating-related finite-strain patterns in the Gran Paradiso massif, Western Alps, Italy: heterogeneous ductile strain superimposed on a nappe stack
Magazine article from: Journal of the Geological Society; 9/1/2004; ; 700+ words
; ...finite-strain study in the central and northern Gran Paradiso massif of the Italian Western Alps...tectonic unit of the Gran Paradiso massif) and 12 samples from the underlying...lower unit of the Gran Paradiso massif). Microstructures and thermobarometric...
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The Eocene bimodal Piranshahr massif of the Sanandaj-Sirjan Zone, NW Iran: a marker of the end of the collision in the Zagros orogen
Magazine article from: Journal of the Geological Society; 1/1/2009; ; 700+ words
; ...Abstract: The bimodal Piranshahr massif is composed of coeval but geochemically...post-collisional Piranshahr massif indicates that the related...which from the Arabian Plate to Central Iran are: (1) the Zagros...contains numerous granite massifs, of which the age, nature...puzzling is Piranshahr, ...
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Resolving the Variscan evolution of the Moldanubian sector of the Bohemian Massif: the significance of the Bavarian and the Moravo-Moldanubian tectonometamorphic phases
Magazine article from: Journal of the Czech Geological Society; 1/1/2007; ; 700+ words
; ...the south-eastern Bohemian Massif is tentatively interpreted...the Ostrong Unit along the central axis of the Moravo-Moldanubian...Also within the Bohemian Massif, this rotation event may have...Variscan orogeny in the Bohemian Massif. It is defined by a significant...
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Late Variscan stress-field rotation initiating escape tectonics in the south-western Bohemian Massif: a far field response to late-orogenic extension
Magazine article from: Journal of the Czech Geological Society; 1/1/2007; ; 700+ words
; ...eastern margin of the Bohemian Massif and in central Bohemia (e.g., O'Brien and...eastern margin of the Bohemian Massif. The Mhlzone (Figs 1a, b...levels exposed in the Bohemian Massif and most likely is part of the...
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Mineralogy of the Burpala alkaline massif (North of Lake Baikal)
Magazine article from: Mineralogical Record; 1/1/2001; ; 493 words
; ...kilometers. The rocks of the massif are Paleozoic in age. Burpala...of nepheline syenites in the central part and syenites in peripheral parts of the massif. These rocks are intruded...syenite pegmatites cut the massif in the central part and syenite...Burpala are typical of alkaline ...
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Diachronous late-stage exhumation across the western Alpine arc: constraints from apatite fission-track thermochronology between the Pelvoux and Dora-Maira Massifs
Magazine article from: Journal of the Geological Society; 1/1/2007; ; 700+ words
; ...AFT) data from the central western Alps that confirm...External Crystalline Massifs but also provide evidence...the SE of the Pelvoux Massif, across the front of...of the Dora-Maira Massif, AFT ages young eastward...Pelvoux and Dora-Maira Massifs), where currently...external zone (Argentera ...
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Massif Central
Book article from: The Columbia Encyclopedia, Sixth Edition
Massif Central [Fr.,=central highlands], great...Aquitanian basin in the west. The core of the Massif is the volcanic mass of the Auvergne Mts. that rises to the Massif's highest point, Puy de Sancy (6...
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Adamawa Massif
Book article from: The Columbia Encyclopedia, Sixth Edition
Adamawa Massif , plateau, c.26,000 sq mi (67,300 sq km), N central Cameroon and E Nigeria, W central Africa. It is sparsely populated, and chiefly used for grazing. Tin is mined there and bauxite mining began in 1976. The Benue River rises on the plateau.
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Michel-Lévy, Auguste
Dictionary entry from: Complete Dictionary of Scientific Biography
...twenty years to the study of the eastern part of the Massif Central, of the Morvan Massif, and of the western Alps. Michel-L é...successive phases of folding and dislocation of the Massif Central toward the end of the late Paleozoic...
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Niger
Book article from: The Columbia Encyclopedia, Sixth Edition
...or part of the Sahara . In N central Niger is the Aïr Massif (average elevation: 3,000...at Arlit in the Aïr Massif. Small quantities of cassiterite...Agadez (in the Aïr Massif), and into Algeria. Niger...
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Kazakhs
Encyclopedia entry from: Encyclopedia of World Cultures
...Identification. Kazakhs are a Central Asian people who live mainly...by the Altai and Tianshan massifs. In the extreme northwest...Urals and the low mountain massif of Mugogzhari. Further east...the Aral Sea are the sandy massifs of the great and small Balger...45 ° C. In the central ...
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