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Great Unconformity

The Great Unconformity is the unconformity observed by John Wesley Powell in the Grand Canyon in 1869. It is an exceptional example of relatively young sedimentary rock strata overlying much older sedimentary or crystalline strata. The intervening period of geologic time is sufficiently long to raise the earlier rock into mountains which are then eroded…

Applications, Powell's Unconformity, Grand Canyon & Possible causes of the Great Unconformity

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Overview

Powell's Unconformity, Grand Canyon

Possible causes of the Great Unconformity

Advanced semantic analysis

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Map overview Semantic statistics

Great Unconformity

Nodes33
Edges32
Triples101
Avg. degree1.94
Density0.060606
Components1

How this topic connects Entity context

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Great Unconformity

Top relations

related to External links · 53
Great Unconformity → AAPG Datapages, Abbott, American Association, Angular, Anonymous, Arizona, BBC, Brandriss, Cambrian, Defining It, Discovery, Edinburgh, Eyes, GeoDIL, Geoscience Digital Image Library, GeoSciences, Glaciations That Followed, Gorvett, Grand Canyon, Grand Forks
related to Powell's Unconformity, Grand Canyon · 24
Great Unconformity → American Civil War, As, Cambrian, Early-Ordovician Sauk, Earth's, Grand Canyon, Grand Canyon Supergroup, However, It, Ives, John Newberry, Laurentia, New Mexico, Newberry's, North America, Powell, Powell's, Powell's Great Unconformity, Precambrian, The
has cause · 11
Great Unconformity → Alternatively, Cambrian, Neoproterozoic, Neoproterozoic Snowball Earth, One, Rodinia, Snowball Earth, The, There, This, When
related to Frenchman Mountain, Nevada · 11
Great Unconformity → At, Frenchman Mountain, Grand Canyon, Nevada, Phanerozoic, Powell's Great Unconformity, Tapeats Sandstone, There, This, Tonto Group, Vishnu Basement Rocks
is a · 1
Great Unconformity → unconformity observed by John Wesley Powell in the Grand Canyon in 1869
part of · 1
Great Unconformity → a continent-wide unconformity that extends across Laurentia

Important terminology Word statistics

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Important terminology

unconformity great grand canyon september time rocks years last accessed 22 2013 powell's tonto group period rock vishnu basement strata

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Great Unconformityis aunconformity observed by John Wesley Powell in the Grand Canyon in 18690.90text
Great Unconformitypart ofa continent-wide unconformity that extends across Laurentia0.85text
Great Unconformityhas causeThere0.60section
Great Unconformityhas causeOne0.60section
Great Unconformityhas causeNeoproterozoic0.60section
Great Unconformityhas causeThis0.60section
Great Unconformityhas causeSnowball Earth0.60section
Great Unconformityhas causeThe0.60section
Great Unconformityhas causeWhen0.60section
Great Unconformityhas causeCambrian0.60section
Great Unconformityhas causeNeoproterozoic Snowball Earth0.60section
Great Unconformityhas causeAlternatively0.60section

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