OU-1 Bardon volcanic tuff

Reference Materials

OU-1 Bardon volcanic tuff

Purchase Code: QC-2

Price
IAG members: £ 65
Non-Members: £ 100

Description
OU-1 data sheet

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Description

The rock is a fine-grained grey-green volcanic tuff partially recrystallized during low grade metamorphism. Its mineral composition is largely plagioclase, feldspar with epidote, chlorite and some quartz. It was deposited at a volcanic centre active around 600 million years ago, within the Charnian of Leicestershire, England.

The particle size distribution has been determined as 86.9% <63 μm, 12.8% between 63 and 125 μm, and 0.3% >125 μm.

The material is available in units of 35 g packaged in a polyethylene sachet.