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Showing 1 to 2 of 2 for “"peperites"”.
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Emplacement history of mafic-ultramafic volcanic rocks in the northern Pontiac subprovince, Quebec, Canada
… sediments. Geochemical data for one of the peperites indicates that the igneous component has a similar trace element composition to spinifex-bearing komatiite flows and the sedimentary component has a similar composition to the Pontiac Group wackes. Additionally, conformable unstrained …
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Quantitative Characterization of Billowed Structures Along the Margins of Basaltic Intrusions to Determine Process and Timing of Formation: Case Studies from Big Bend National Park, Texas and 71 Gulch, Idaho
… include nearby desiccation cracks in sediment, peperites and phreatomagmatic deposits, as well as the transitioning of glass from sideromelane to tachylyte along the exterior margins of intrusions, resembling quench margins of pillow lavas. To characterize the diversity of the billowed …