basement rock

basement rock

[′bās·mənt ‚räk]
(building construction)
References in periodicals archive ?
In all cases, the exposed basement rock is metasedimentary rock of the McMillan Flowage Formation, occurring as phyllite in Christopher MacLeod Brook, chlorite schist in Baddeck River, and chlorite-muscovite schist in Big Glen Brook and at least two unnamed tributary brooks draining into it.
During the early Cambrian, shallow seas repeatedly advanced and retreated across the North American continent, gradually eroding away surface rock to uncover fresh basement rock from within the crust.
current zone of hard rock that the well has reached is basement rock or
The equivalent lithologic units are: the top sandy soil; silty/sandy clay (regolith), weathered transition zone (saprock), partially weathered basement rock with possible fractures and fresh basement rock.
He added a "significant" discovery had been made in Block 7 in basement rock which he called a "big addition to the reserves" but could not immediately provide figures.
Highlighting his research work, he said that as we had earlier reported in our research papers that there was rupture in the basement rock below the 15km sedimentary cover; the present volcanism may have some link to that basement rupturing adding but he was not sure and he was just imagining.
It's closer to a basement rock show than a highbrow literary salon.
However, there wouldn't be deep sediments overlying basement rock in the Piedmont.
India's basement rock flexed and dived beneath the Himalayan region.
Further progress in determining the geological properties of the arctic deep seafloor now requires penetration through the sediment cover into basement rock Fossil hydrocarbon exploration has led to the discovery of large exploitable oil and gas accumulations whose origins are related to peculiar high concentrations of organic carbon in arctic and subarctic marine sediments, to their tectonic fate after burial, and to the poorly understood Mesozoic paleogeography of the Arctic Ocean and its surrounding shelf seas.
1) show belts of steeply dipping conglomerate-dominated sedimentary sequences alternating with belts of crystalline basement rock (White and Barr 1999; Giles et al.
The upper surface of the study area is composed of thin soil cover followed by crystalline massive metasedimentary rocks of high resistivity in some parts and in other parts the top layer is covered with black cotton soil and followed by calcareous limestone which is underlain by basement rock.