basic rock

basic rock

[′bā·sik ′räk]
(petrology)
An igneous rock with a relatively low silica content, and rich in iron, magnesium, or calcium.
References in periodicals archive ?
R9###Dark Green (Maleno Cratic)###Fined Grained Basic Rock
According to Rich Connors, general manager at the Millcreek and Sandy locations, this class is an excellent way to gain basic rock climbing skills in a short amount of time.
ISLAMABAD -- The basic rock climbing courses of different level organized by Alpine Club of Pakistan conclude here at Margallah hills.
In fact, they can even consist of the same basic rock - shale - that often seals conventional oil or gas traps.
Apart from basic rock climbing, we were taken to Sikkim in October and then to Ladakh in December to train for ice climbing.
Everything has progressed but it's still the same band, it's still basic rock n'roll, we never moved away from that.
From a mechanical point of view the study of failure and determination of failure criteria of rocks in connection with the type of loading on the rocks represent one of the basic rock engineering problems.
From the outset, the band enlivened difficult subject matter with basic rock forms, never straying from the kind of sweet and sad, autumnal guitar that evokes R.
A pre-construction understanding of the basic rock mass properties will help to significantly minimize adverse affects from structural geologic and overall rock mass controls.
What permeates the album is a real basic rock and roll spirit, the sort you'd expect from a band like AC/DC.
Joshua Tree Rock Climbing School: 2-day basic rock climbing $270, including gear; joshuatreerockclimbing.

Full browser ?