hostrock

English

Noun

hostrock (countable and uncountable, plural hostrocks)

1. Alternative form of host rock
   • 1963, The Mineral Resources and Mining Industry of Cyprus, page 16:

     According to the nature of the hostrock, the Sheeted Intrusive Complex has been subdivided into the Diabase or the Basal Group. In the latter the hostrock is pillow lava, this being the olnly difference between them.

   • 1995, Brian J. Skinner, Michael M. Kimberley, Stephen C. Porter, The Dynamic Earth, Casebook: An Introduction to Physical Geology, page 259:

     Before becoming physically concentrated within streams, specks of gold-silver alloy are disseminated within a hostrock which may be of any rock type.

   • 1998, Henry C. Berg, Bradfield Canal Quadrangle: Alaska Resource Data File, page 117:

     Hostrock identified as quartzite may indicate silicification of pelitic country rock.