Share this entry

Share this page

unconformable

Syllabification: un·con·form·a·ble
Pronunciation: /ˌənkənˈfôrməbəl
 
/

Definition of unconformable in English:

adjective

Geology
(Of rock strata in contact) marking a discontinuity in the geological record, and typically not having the same direction of stratification.
Example sentences
  • In this transect, the contact between the Carboniferous strata and the volcanic sequence appears to be an unconformable sedimentary contact.
  • Along much of its exposed length, the unconformable contact was intensely sheared during subsequent ductile deformation.
  • At this locality, the upper layers of the Mishan Formation are truncated below the unconformable contact at the base of the overlying Agha Jari Formation.

Derivatives

uncomformably

1
adverb
Example sentences
  • The anticline is uncomformably overlain by thick Plio-Pleistocene prograding slope sediments.
  • Synrift units are typically slightly folded, and are uncomformably overlain by undeformed postrift sediments.
  • This unit is a light brown to yellowish-red sand that lies uncomformably over Unit I.

Definition of unconformable in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day Noel
Pronunciation: nəʊˈɛl
noun
Christmas…