Precambrian crystalline basement
C37808
concept
Precambrian crystalline basement is the ancient, typically metamorphic and igneous rock foundation of continental crust that formed before the Phanerozoic Eon and underlies younger sedimentary sequences.
Observed surface forms (5)
- Precambrian rock ×2
- Archean geological formation ×1
- Precambrian basement ×1
- Precambrian crustal block ×1
- cratonic basement ×1
Instances (7)
- Arabian Shield
- Saharan Metacraton via concept surface "Precambrian crustal block"
- Pikes Peak granite via concept surface "Precambrian rock"
- Anabar Shield via concept surface "cratonic basement"
- Nuvvuagittuq Greenstone Belt via concept surface "Archean geological formation"
- Precambrian Shield granite via concept surface "Precambrian rock"
- Ukrainian Shield region via concept surface "Precambrian basement"