... flow in order to understand the thermal history of the Earth, its internal composition, and the forces that drive plate motions ... Global seismic images of the mantle can provide information about convective flow. ...
... images). a, b – replacement of magnesite (mgnst) by siderite (sid) with Fe oxides formation; c – apatite (ap) bands in dolomite (dol) matrix; d - thin shell of monazite (mon) around apatite grains; e, f - crystals and anhedral grains of magnetite; g ...
... The calcite-dolomite solvus curve ( Anovitz Essene 1987) shows that dolomite composition correspond to the temperature as 550-600њ C, and calcite near 300њ C. Amphybole (richterite) composition correspond the formula (K 0.1-0.3 Na 0.5-0.8 ) 0.9 (Na 1-1.3 ...
... Fig.1. Back scattered electron images of the typical experimental sample. ... Major elements compositions (wt. % oxides) of the typical hydrous “reaction” (1-3 ... The composition of liquidus associations, equilibrium with magnesian "reactionary ...
... were hand picked from each concentrate, imaged by SEM and subsequently mounted in ... and reflected light photomicrographs and CL images were made in order to select ...
... The initial screen image to setup the main routines and variables in the interactive ... La,Ce,Nd,Sm,Eu,Gd,Dy,Er,Yb,Lu Phase compositions, mol.% ... Screen image of the Program Manager used to define main routines, simulation ...
... independent melts from one developing mantle source or spatially close but essentially different in composition and time of formation sources, mineral composition of carbonatites and first of all mineralogical-geochemical peculiarities of such accessory ...
... Fig.1 (a) backscattered electron images of euhedral zirconolite showing chemical ... 3 Backscattered electron images of ilmenite (Ilm) replaced by chevkinite-(Ce) (Chvk ... The chemical composition of zirconolite grains is inhomogeneous (table 1). ...
... of selected novae based on analysis of the Magellan images, Venus // LPSC XXХ ... novae based on analysis of the Magellan images, Venus // Planet. and Space Sci ... history from photogeologic study of stereo images // Earth, Moon, and Planets. 1998а ...
... as EDX mapping and particularly energy filtered TEM (EFTEM) provide rapid high resolution imaging of elemental distributions ... and the elucidation of changes in structure, bonding and composition of minerals throughout the crust and mantle ...