Soils Flashcards
Soil Matrix
What type of soil formation is this, where in California would you see this
alluvial fan: triangle-shaped deposit of gravel, sand, and even smaller pieces of sediment, such as silt. This sediment is called alluvium. Alluvial fans are usually created as flowing water interacts with mountains, hills, or the steep walls of canyons
Napa Valley: Rutherford bench is a prime example formed by the Napa River
Describe the soil
Basalt: a fine grain igneous rock formed from the rapid cooling of magnesium-rich and iron-rich lava. More than 90% of all volcanic rock on Earth is basalt
What type of soil is this and where would you find it in California
Goldridge Soil: sandy loam
Green Valley/Russian River Valley - Sonoma County
soil has a dark, yellowish, fine, sandy loam surface over a subsoil of golden yellow, sandy loam and fractured sandstone. It is derived from the remains of an ancient inland sea that slowly emptied into the Pacific three to five million years ago - excellent drainage and low soil fertility.
What is the decomposed granite soil of Cornas called?
Gore
What is the “rotting iron ore” soil found in St.-Emilion and Pomerol called?
Crasse de Fer: Iron rich sand; Molasse: Blue clay
What unique soil type is found in the Ürziger Würzgarten einzellagen of the Mosel?
Red Volcanic Slate, Majority Mosel known for Blue Slate