paragenesis

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paragenesis

[‚par·ə′jen·ə·səs]
(mineralogy)
The association and order of crystallization of minerals in a rock or vein.
The effect of one mineral on the development of another. Also known as mineral sequence; paragenetic sequence.
References in periodicals archive ?
Paragenetically, wavellite occurs either on quartz, crandallite, and/or variscite, and/or may be overgrown with later variscite, cacoxenite, jarosite and/or goethite.
Paragenetically it occurs in several generations, each with a different crystal habit.
Chalcedony is followed paragenetically by crystalline quartz, which varies from drusy microcrystals to euhedral crystals exceeding 5 mm.
Colors range from paragenetically early yellow-green to paragenetically late pale yellow.
Paragenetically, barian celestine is later than barite, galena and sphalerite, but has been noted as inclusions within orange, scalenohedral, twinned calcite crystals (third generation of Kyle, 1978).
Variscite is early paragenetically, and may be associated with any of the other species which occur at location 1.
A paragenetically similar occurrence for fluorescent chabazite near Bancroft, Ontario, is described by Schlachtman in Mineral News (11, no.