Master the Massachusetts Soil Evaluator Test 2026 – Dig Deep and Cultivate Your Success!

Marine silts and clays form from fine particles that settle in a sea or ocean. Over geological time, tectonic uplift or changes in sea level raise that once-seafloor material above current sea level, so you find it on land today. That’s why the best description is that they were deposited in a marine environment and have since been uplifted above present sea levels. The other options don’t fit: volcanic ash deposits are from volcanism, not marine sediment; these sediments aren’t limited to inland deserts; and marine clays aren’t primarily made of granite, which is a volcanic- or igneous-rock mineral, not a marine sediment composition.