Various igneous glacial erratics
Description: Various, mostly igneous, glacial erratics. White ammygdaloidal pumice (ammygdales of quartz and a black mineral). A weathered fine-grained igneous rock with weathered olive green phenocrysts of ?olivine. A poorly sorted fine- to coarse-grained greywacke. An olive black micritic limestone. Ailsa Craig riebeckite microgranite.
Taxonomic name: glacial erratic: pebbles
Collection: Natural History Geology Collection
ID number: 1975-0168
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