ash-from-mt-mazama-sji
‹ Return to Soil Investigations…
San Juan Island organic soil with a distinct white layer composed of diatoms mixed with volcanic ash from Mt. Mazama eruption (Crater Lake, OR).
‹ Return to Soil Investigations…
San Juan Island organic soil with a distinct white layer composed of diatoms mixed with volcanic ash from Mt. Mazama eruption (Crater Lake, OR).