Russian ⇄ English

маркирующий горизонт stresses
gen.	marker
dril.	reliable marker
geol.	horizon marker
geophys.	marker horizon; formation marker; bedding marker
O&G	marker formation
O&G. tech.	band; key horizon
oil	key rock; datum bed; index datum bed; indicator bed; indicator horizon; key robbing; marker bed; reference bed; structure indicator; datum; index horizon; index plane; marker pick (dimock); picking marker (dimock); key stratum (MichaelBurov); key bed; key horizon (bed; rock)

маркирующий горизонт: 35 phrases in 6 subjects

Geology	2
Geophysics	7
Oil / petroleum	20
Oil and gas	2
Sakhalin	2
Seismology	2