peat - hand/display specimen of peat from the San Andreas fault zone, formed in a marsh that dried out roughly a century ago This mine is the probable

This mine is the probable source of fibers that served as reference standards used since around 2000 by the Health and Safety Laboratory (UK)

These are longer than what we have been able to obtain before

Question for students:

We have had some specimens in our collection for roughly 40 years

the 'Gypsum' cave

peat - hand/display specimen of peat from the San Andreas fault zone, formed in a marsh that dried out roughly a century ago This mine is the probableThis peat was collected from a former marsh along Pallett Creek in the San Andreas fault zone, Los Angeles County, California Peat is formed by partial decomposition of plant material under acidic conditions. With burial and compression, peat forms lignite and eventually bituminous coal. At Pallett Creek, the peat was formed in a marshy sag pond in the fault zone. Layers of leaves and vegetation fell into the marsh and were subsequently covered with