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Stratigraphy of the Lower Cretaceous Monarch sequence at Mount Creswell in east-central Bella Coola map area, west-central British Columbia
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Results of a detailed study of the Lower Cretaceous Monarch sequence at Mount Creswell, in Bella Coola map area (NTS 93 D), British Columbia, reveal large episodes of nonexplosive volcanism from nearby volcanoes alternating with relatively explosive volcanism
from more distal volcanoes as major components of the sequence. Minor chaotic zones of sedimentation alternating with lava and pyroclastic flows may represent times of uplift and erosion followed by explosive eruptions from nearby sources and proximal volcanoes. The volcanic and sedimentary rocks
from Mount Creswell are representative of the Lower Cretaceous volcanic rocks of the Bella Coola map area.
Title: Stratigraphy of the Lower Cretaceous Monarch sequence at Mount Creswell in east-central Bella Coola map area, west-central British Columbia
Description:
Results of a detailed study of the Lower Cretaceous Monarch sequence at Mount Creswell, in Bella Coola map area (NTS 93 D), British Columbia, reveal large episodes of nonexplosive volcanism from nearby volcanoes alternating with relatively explosive volcanism
from more distal volcanoes as major components of the sequence.
Minor chaotic zones of sedimentation alternating with lava and pyroclastic flows may represent times of uplift and erosion followed by explosive eruptions from nearby sources and proximal volcanoes.
The volcanic and sedimentary rocks
from Mount Creswell are representative of the Lower Cretaceous volcanic rocks of the Bella Coola map area.
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