Definition of inlier in English:

inlier

noun

Geology
  • An older rock formation isolated among newer rocks.

    • ‘At the base of the erosional hollow, an inlier of Jurassic rocks crops out below the late Cimmerian unconformity.’
    • ‘These rocks do not, however, crop out as a continuous mountain range but in isolated inliers, many of which were uplifted during the Tertiary in response to Alpine movements.’
    • ‘However, it is thought that the Lower Palaeozoic inliers to the southeast (Kildare and Leinster Massif) were emergent at the time of mineralization.’
    • ‘Within the Caledonian Moine nappe of NW Scotland there are a number of basement (presumed Lewisian) inliers, the largest of which is the Glenelg-Attadale Inlier.’
    • ‘In the central and eastern parts of the range, the northern margin is also sharply defined, but separates bedrock from glacial and alluvial sediments or bedrock inliers.’

Origin

Mid 19th century from in, on the pattern of outlier.

Pronunciation

inlier

/ˈɪnlʌɪə/