key horizon

key horizon

[′kē hə‚rīz·ən]
(geology)
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References in periodicals archive ?
The mollic (= melanic) horizon is the key horizon in Chernozems.
DDH MB-99-111, a 1516 metre long hole, unexpectedly steepened and veered eastward intersecting the key horizon 175 m below the target and beneath the plunge of the deposit.
Some of the key Horizon View performance indicators tracked by Applications Manager include indicators for the connection broker, vCenter details, View pool, sessions, composer domain and stats of VMs.
On completion of seismic processing, full structural and stratigraphic interpretation of the new data is performed for key horizons, and seismic attributes (pre- and post-stack) are extracted to map the potential presence of fluids and facies.
These geological interpretations were validated using analytical data to confirm the boundaries of the laterite profile and key horizons.