paragenesis

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paragenesis

fertility of an interspecific hybrid with either of the parent forms but not with other interspecific hybrids produced by them.
References in periodicals archive ?
Oil shale which formed in deltaic environments in the Middle and Late Carboniferous and Jurassic are mostly paragenetically related to coal.
Paragenetically, Re, Mo and U show a close relation to each other.
Paragenetically, viitaniemiite precedes cryolite, fluorite and pyrite.
Minyulite, like fluellite, is a paragenetically late mineral, and may occur either alone, or with botryoidal strengite/variscite or finely crystallized wavellite spherules.
The Dal'negorsk boron deposits appear to be paragenetically related to two post-orogenic magmatic complexes, the Sikhote Alin and the Dolinna.
Calcite crystals are also widespread throughout the mine in smaller rugs (1 to 2 meters across) apparently paragenetically unrelated to the larger "caves.
Paragenetically, the lead oxychlorides mainly occur associated with native elements (As, Pb, Cu), hydrocerussite, minor arsenates and arsenites, with calcite and barite as ubiquitous companions.