geological boundary

C3981
concept

A geological boundary is a conceptual division in the Earth's crust that separates distinct rock units, layers, or geological features based on differences in age, composition, structure, or formation history.

Try in SPARQL

All labels observed (11)

Label Occurrences
Global Boundary Stratotype Section and Point 17
crustal boundary 2
geologic boundary region 2

Description generation (CDg)

The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.

Instruction
generate a one-sentence description for a given conceptual class.
# Response Format
Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: geological boundary
Generated description
A geological boundary is a conceptual division in the Earth's crust that separates distinct rock units, layers, or geological features based on differences in age, composition, structure, or formation history.

Instances (30)

Instance Via concept surface
Siccar Point unconformity geological unconformity
Global Boundary Stratotype Section and Point at Klonk, Czech Republic Global Boundary Stratotype Section and Point
Global Boundary Stratotype Section and Point for base of Hettangian Global Boundary Stratotype Section and Point
Meishan section China for base of Triassic
surface form: Meishan section
Global Boundary Stratotype Section and Point
South Yorkshire Coalfield margin geological boundary zone
New Jersey Highlands and Piedmont transition zone geologic boundary
Lemme-Carrosio section, Italy (Miocene GSSP)
surface form: Lemme-Carrosio section
Global Boundary Stratotype Section and Point
Meishan section, South China Global Boundary Stratotype Section and Point
Gutenberg discontinuity geophysical boundary
GSSP at Aidaralash Creek, Kazakhstan (base of Asselian) Global Boundary Stratotype Section and Point
Kellwasser horizons stratigraphic marker
named after Siccar Point headland
surface form: Siccar Point unconformity
geological unconformity
Pridoli section near Prague, Czech Republic Global Boundary Stratotype Section and Point
Eifelian GSSP at Wetteldorf, Germany Global Boundary Stratotype Section and Point
Klonk Section Global Boundary Stratotype Section and Point
Klonk, near Suchomasty, Czech Republic
surface form: Klonk
Global Boundary Stratotype Section and Point
Klonk Global Boundary Stratotype Section and Point
Piedmont-Atlantic Coastal Plain fall line —
Cretaceous–Paleogene boundary —
Global Boundary Stratotype Section and Point for the base of the Anisian Global Boundary Stratotype Section and Point
Deşli Caira section, Romania
surface form: Deşli Caira section
Global Boundary Stratotype Section and Point
GSSP at Enorama Creek, Flinders Ranges, South Australia Global Boundary Stratotype Section and Point
Midcontinent Granite-Rhyolite Province margins crustal boundary
Global Boundary Stratotype Section and Point for base at Peniche, Portugal Global Boundary Stratotype Section and Point
Basin and Range–Colorado Plateau transition geologic boundary zone
Appalachian Plateau and Blue Ridge transition zone geologic boundary region
Monte dei Corvi section, Italy (Tortonian base)
surface form: Monte dei Corvi section
Global Boundary Stratotype Section and Point
Oued Akrech section, Morocco (base of Zanclean, Pliocene)
surface form: Oued Akrech section
Global Boundary Stratotype Section and Point
Narmada–Son lineament crustal boundary
Willamette Valley–Coast Range transition zone geologic boundary region