xenomorphic


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xenomorphic

[¦zēn·ə¦mȯr·fik]
(mineralogy)
References in periodicals archive ?
The inner parts of the oncoids show a recrystallisation by xenomorphic sparitic calcite, and only occasionally an oncoid preserving remains of the original oncolitic lamination is recorded (micritized oncoids).
1) the dolomite constitutes a continuous mass of crystals among the oncoids, which are recrystallised by xenomorphic calcite (Fig.
These rocks are medium- to coarse-grained equigranular to inequigranular anhedral to euhedral with xenomorphic to idiomorphic granular texture.
Rounded xenomorphic botryoidal crystalline masses also occur.
On the other hand, the epidote amphibolite is classifiable between xenomorphic, i.
As mentioned above, the hypidiomorphic to xenomorphic texture is expected to be much resistant to the applied load than hypidiomorphic to idiomorphic texture of gabbro-norite.
Albite has been found in clusters of tabular crystals in parallel growths up to 4 cm and, less commonly, in isolated xenomorphic or subidiomorphic crystals to several millimeter size.
The oldest magnetite generation occurs as xenomorphic crystals included in the La-dominant allanite/REE-rich epidote.
Ankerite occurs as xenomorphic grains of microscopic size associated with siderite, calcite and dolomite in carbonate ores (Panto, 1956), and as idiomorphic crystals in barite veins.
Kolymite occurs as metallic, silvery xenomorphic grains 10-40 [micro]m across, in copper and closely associated with moschellandsbergite.
It is exceedingly rare, occurring as xenomorphic grains up to 0.