OLIGOCENE
Before
1: S
late2: SU
earliest, upper, latest, early, lower, middle3: SUU
earliest
After
1: S
age, times, time2: SU
epoch, strata, boundary, period3: SUU
boundary, period3: USU
deposits, transition
Surrounder Phrases
eocene epoch, strata, sediments, formations, deposits, rocks, beds, boundary, age, period, times, timemiocene epoch, sediments, strata, sandstone, volcanic, formations, deposits, rocks, beds, marine, boundary, age, sequence, times, period, section, timevolcanic rocks, formations, deposits, sandstone, strata, sediments, sequencesandstone formations, beds, strata, rocks, deposits, sequencemarine sediments, deposits, strata, sandstone, formations, beds, boundary, rocks, sequencelate miocene, eocene, tertiary, middle, periodtertiary strata, sediments, formations, volcanic, boundary, epoch, deposits, rocks, sandstone, beds, period, marine, age, times, sequencemiddle miocene, eocene, strata, age, tertiary, section, periodupper eocene, miocene, strata, boundary, middle, tertiary, sandstone, beds, section, sediments, agelatest miocene, eocene, periodearly miocene, eocene, tertiary, age, epochs, period, middle, epoch, timeslower miocene, eocene, strata, tertiary, boundary, middle, beds, sandstone, formations, upper, sectionearliest eocene, miocene, times, strata, tertiary, epoch, period, latest, age, depositstransition period, boundary, sequenceage stratasequence boundarytimes during, lowertime period, deposits, during, epochs, sequenceboundary bedsperiod during, epochclimatic transition, sequence, periodsection throughsediments duringduring eocene, miocene, early, late, timesepoch during