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  Encyclopedia of Keywords > Nature > Matter > Soil > Parent Material   Michael Charnine

Keywords and Sections
FORMATION
PARENT MATERIAL
HORIZON
TOPOGRAPHY
PARENT MATERIALS
INFLUENCES
FORMED
SPODOSOLS
SAND
DEPOSITS
CALLED
FINE
BEDROCK
PEDOGENIC PROCESSES
WEATHERED
LACUSTRINE
VOLCANIC
Review of Short Phrases and Links

    This Review contains major "Parent Material"- related terms, short phrases and links grouped together in the form of Encyclopedia article.

Definitions

  1. Parent material is the geologic material from which soil horizons form.
  2. Parent material is a passive soil formation factor.
  3. Parent material is classified by its last means of transport.
  4. The parent material is a silty alluvium derived from calcareous lacustrine siltstone.
  5. Parent material: The primary material from which the soil is formed.

Formation

  1. The dust became new parent material for additional soil formation.
  2. The five major factors affecting the formation of a soil are: climate, relief, parent material, vegetation, and time.
  3. Parent material of soils on summit and shoulder was Upper Miocene formation consist of marl, sandy and conglomeratic layers rich in carbonate.

Parent Material

  1. As the primary minerals in soil-parent material weather, the elements combine into new and colorful compounds.

Horizon

  1. The soil profiles are designated the letters A (transitional layer with organic matter), E (bleached soil), B (rusty soil) and C (parent material).
  2. Partially disintegrated parent material and mineral particles may be found in this horizon.
  3. Parent material, in soil science, means the underlying geological material (generally bedrock or a superficial or drift deposit) in which soil horizons form.
  4. Subsoil - The soil horizon(s) below the topsoil and above the parent material.

Topography

  1. D) Subsoil or mineral layers, the content of which varys according to the nature of the soil and its parent material.
  2. Earlier we mentioned five factors that affect the character of the soil: parent material, climate, living organisms, topography, and time.
  3. The five soil forming factors are: parent material, topography, climate, biological activity, and time.
  4. Refers to patterns of contrasting colors assumed to be inherited from the parent material rather than to be the result of poor drainage.

Parent Materials

  1. The significance of clay in the B horizon may stem from the rainfall pattern causing chemical weathering of the parent material.
  2. The parent material (C horizon) is the least affected by physical, chemical and biological weathering agents.

Influences

  1. This leaching in alters the character of the parent material.
  2. This stage may follow or go on simultaneously with the accumulation of parent material.
  3. Pedogenesis is a combination of redox and clay illuviation processes that contribute to the breakdown of the ferruginised parent material.
  4. Two of the validation sites had sorted parent material.
  5. Parent material influences both the physical and chemical properties of the soil.

Formed

  1. It is formed under moist, cool and acidic conditions, especially where the parent material, such as granite or sandstone, is rich in quartz.
  2. Soils are complex sedimentary bodies formed at the land surface by the physical, chemical and biologic weathering of some parent material.
  3. He considered that well differentiated gley podzols formed from virgin parent material in 5,000 years.
  4. The iron content of the oxic horizon formed under free drainage and good aeration will be a function of the original compostion of the parent material.

Spodosols

  1. Entisols, like this one found in southwestern Wisconsin, are soils lacking horizons because their parent material has only recently accumulated.
  2. Parent Material: Typically, Spodosols are formed in very coarse silty or coarser (i.e.
  3. Some Spodosols are even younger when parent material, vegetation, and climate favors the formation of a spodic diagnostic horizon (<500 y).

Sand

  1. Entisols also form where the parent material is quartz sand, in which horizons do not easily form.
  2. Mineral grains in rock parent material is broken down by physical weathering, producing silt and sand size particles.

Deposits

  1. Entisols and Inceptisols are often found on floodplains, delta deposits, or steep slopes where parent material has difficulty accumulating.
  2. Parent Material: Mollisols occur on deposits and landscapes with a wide range of ages.

Called

  1. Soils typically get a great deal of structure and minerals from their parent material.
  2. C) Substratum: Layer of unconsolidated soil parent material.
  3. Non-transported parent material is sometimes called residual parent material.
  4. The rock from which soil is formed is called parent material.
  5. Refers especially to the processes or soil-forming factors responsible for the formation of the solum, or true soil, from the unconsolidated parent material.

Fine

  1. Colour was 2.5 Y hue, and related to the parent material Structure was weak, fine granular in surface horizons and structurless in C horizons.
  2. Fine grain soil develop where the parent material is composed of unstable minerals that readily weather.

Bedrock

  1. E) Bedrock or parent material, which breaks down at the upper surface due to the effects of weathering and decay.
  2. Soil texture, color and chemistry often reflect the underlying geologic parent material and soil types often change at geologic unit boundaries.
  3. Parent material transported by water is called alluvium.
  4. The main types are: eolian, glacial till, glacial outwash, alluvium, lacustrine parent material and residual parent material, or bedrock.
  5. Parent Material: Oxisols occur on highly weathered transported material, old fluvial terraces, or on high-lying old erosion surfaces.

Pedogenic Processes

  1. Minerals in soils include those weathered from the parent material, as well as new ("neoformed") minerals (such as clay) formed by pedogenic processes.
  2. B-hmann C., 1994 Parent material and pedogenic processes in South Africa.
  3. The importance of pedogenic processes on trace element content specific to each soil order is secondary to the influence of parent material.

Weathered

  1. Explanation of Soil Profile All soil starts with a parent material such as weathered bedrock (e.g.
  2. There are some Ultisols formed in parent material with higher base status and less weathered material (e.g.

Lacustrine

  1. Lake deposited parent material is called lacustrine parent material.
  2. Soils formed from lacustrine parent material have low permeability in part because of this high clay content.

Volcanic

  1. Andisols are soils developing in parent material containing at least fifty percent volcanic ash.
  2. Parent material for all pedons was volcanic ash.
  3. The parent material consists of andesitic volcanic rocks.

Categories

  1. Encyclopedia of Keywords > Nature > Matter > Soil
  2. Glossaries > Glossary of Soil Science /
  3. Books about "Parent Material" in Amazon.com

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  Short phrases about "Parent Material"
  Originally created: April 03, 2008.
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