The Awband Formation is made up of schists ( quartz-sericite, quartzchlorite-sericite, quartz-sericitechlorite and carbonaceoussericite ) that are metamorphosed acid and basic tuffites and argillaceous rocks.
2.
However, since neutron logs sense H ( hydrogen ) and all hydrogen so-sensed is allocated as pore space, then neutron logs will overestimate porosity in argillaceous rocks by sensing as part of the pore space.
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