host-rock

host-rock

English

Noun

host-rock (countable and uncountable, plural host-rocks)

1. Alternative form of host rock
   • 1968, Transactions of the Geological Society of South Africa, page 148:

     Their exact relationship to the host-rock is obscure but from their texture and observed metamorphic relationship they are thought to be intrusive dykes rather than intercalations of more basic lava.

   • 2007, Olivier Lacombe, ‎Jérôme Lavé, ‎Francois M. Roure, Thrust Belts and Foreland Basins, page 99:

     The column dif δ¹⁸O indicates the difference between de δ¹⁸O of the calcite cement in the veins and its adjacent host-rock.

   • 2019, S. Ferrero, ‎P. Lanari, ‎P. Goncalves, Metamorphic Geology: Microscale to Mountain Belts, page 72:

     We simplify the concept of thermodynamic equilibrium by assuming that 100% of the melt will be in thermodynamic equilibrium with a fixed weight fraction of the host-rock it travels through.