Marine band (geology)
Encyclopedia
Marine band is a geological term for a bed of rock
, commonly black or dark grey shale, containing an abundance of fossil
s of marine organism
s. These strata represent episodes of flooding by seawater and are important in enabling the comparison or correlation of rock sequences in different localities.
Rock (geology)
In geology, rock or stone is a naturally occurring solid aggregate of minerals and/or mineraloids.The Earth's outer solid layer, the lithosphere, is made of rock. In general rocks are of three types, namely, igneous, sedimentary, and metamorphic...
, commonly black or dark grey shale, containing an abundance of fossil
Fossil
Fossils are the preserved remains or traces of animals , plants, and other organisms from the remote past...
s of marine organism
Organism
In biology, an organism is any contiguous living system . In at least some form, all organisms are capable of response to stimuli, reproduction, growth and development, and maintenance of homoeostasis as a stable whole.An organism may either be unicellular or, as in the case of humans, comprise...
s. These strata represent episodes of flooding by seawater and are important in enabling the comparison or correlation of rock sequences in different localities.