The Tanana soil is the official state
soil
Soil, also commonly referred to as earth or dirt, is a mixture of organic matter, minerals, gases, liquids, and organisms that together support life. Some scientific definitions distinguish ''dirt'' from ''soil'' by restricting the former te ...
of
Alaska
Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., ...
.
Profile
The Tanana soil consists of shallow, well drained, moderately permeable soils formed in materials weathered from
limestone
Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms whe ...
. They are gently sloping to very steep soils on foot slopes and side slopes of limestone hills. Slopes range from 2 to 60 percent. The mean annual precipitation is about {{convert, 70, in and the mean annual temperature is about 76 degrees F. The soil is named after the Tanana River in Alaska.
See also
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Pedology (soil study)
Pedology (from Greek: πέδον, ''pedon'', "soil"; and λόγος, ''logos'', "study") is a discipline within soil science which focuses on understanding and characterizing soil formation, evolution, and the theoretical frameworks for modeling ...
*
Soil types
A soil type is a taxonomic unit in soil science. All soils that share a certain set of well-defined properties form a distinctive soil type. Soil type is a technical term of soil classification, the science that deals with the systematic categoriz ...
*
List of U.S. state soils
This is a list of U.S. state soils. A state soil is a soil that has special significance to a particular U.S. state, state. Each state in the United States has selected a state soil, twenty of which have been legislatively established. These offic ...
External links
NRCS: Tanana Soil
Pedology
Soil in the United States
Geology of Alaska
Symbols of Alaska
Types of soil
Tanana Athabaskans