baserock
English
Noun
baserock (uncountable)
- The layer of hardrock that lies beneath any surface soil, clay, silt, gravel, and/or sedimentary rock.
- 1997, Y. Ohama, Polymers in Concrete, page 187:
- The crack extends down to the baserock and up to the dam crest.
- 2008, Ikuo Towhata, Geotechnical Earthquake Engineering, page 104:
- When the baserock appears at the surface, it is called a rock outcrop.
- 2013, Gerassimos A. Papadopoulos, Tad S. Murty, Srinivasan Venkatesh, Natural Hazards: State-of-the-Art at the End of the Second Millennium:
- The main difference of the aforementioned attenuation models is that the latter refers to calculations of seismic motion at the surface of the earth, whereas Midorikawa's refers to calculations at the seismic baserock, where seismic baserock is an ideal structure in earthquake engineering.