16; Glaciers & Waterton-Glacier National Park Flashcards
A time in Earth’s history when there was no evidence of continental glaciation was the ______ period:
Permo-Traissic
A _______ is a steep-sided, pyramid-shape mountain peek formed by glacial erosion:
horn
A/an ______ isa planar surface of glacial origin, consisting of beveled, scoured, grooved, and scratched rocks in knobs:
ice-scoured plain
______ moraines are NOT characteristic of continental glaciation?
Lateral
________ are scratches and grooves on bedrock caused by glacial abrasion
Striations
The oldest rocks in Waterton-Glacier Park are _____:
a Precambrian sedimentary rocks fo Belt Supergroup
The ______ is the major fold structure trending down the middle Waterton-Glacier Park:
Akamina Sycline
At Waterton-Glacier Park, rocks of _____-age lie on top of _______ age rocks:
Precambrian, Cretaceous
Chief Mountain in Glacier Park is an example of an isolated displaced block of rock called a ______:
Klippe
A/an _______ is an extensive area of interconnected valley glaciers from which the higher mountain peeks rise as nunataks:
Icefields