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  1. Loess - Wikipedia

    Loess is a periglacial or aeolian (windborne) sediment, defined as an accumulation of 20% or less of clay with a balance of roughly equal parts sand and silt (with a typical grain size from 20 to 50 …

  2. Loess | Wind-Deposited Sediment & Soil Formation | Britannica

    Loess, an unstratified, geologically recent deposit of silty or loamy material that is usually buff or yellowish brown in colour and is chiefly deposited by the wind.

  3. Loess - National Geographic Society

    Jul 3, 2024 · In some parts of the world, windblown dust and silt blanket the land. This layer of fine, mineral-rich material is called loess.

  4. What Is Loess Soil? Characteristics and Uses | Live to Plant

    Jul 18, 2025 · It is a type of sediment that is loosely compacted and primarily composed of silt-sized particles. This article explores the definition, formation, characteristics, and practical uses of loess …

  5. Loess and Paleosols - National Centers for Environmental Information

    Dec 5, 2022 · Loess are silt-sized particles deposited on the Earth's surface by winds. Extensive loess deposits formed during the Ice Ages in areas bordering large, continental glaciers.

  6. What is Loess? - Loess Hills Audubon Society

    Loess (pronounced "luss") is a German word meaning "loose" and it is the name of a type of soil. Loess is a deposit of fine, yellowish-gray, clay-like sediment which can be found from north central Europe …

  7. What is Loess Soil? - The Institute for Environmental Research and ...

    Jun 18, 2025 · Loess differs from other soils primarily in its origin (wind-blown), uniform particle size (silt-dominated), and high porosity. Unlike alluvial soils (deposited by rivers) or residual soils (formed from …

  8. Loess Explained

    What is a Loess? A loess is a clastic, predominantly silt -sized sediment that is formed by the accumulation of wind-blown dust.

  9. Loess records | U.S. Geological Survey - USGS.gov

    Sep 18, 2024 · Loess is an eolian deposit, composed mainly of silt grains, which can be identified in the field as a distinct sedimentary body. It covers a significant portion of the land surface of the Earth and …

  10. Loess Definition - Intro to Geology Key Term | Fiveable

    Loess is a type of wind-blown silt that forms thick deposits and is often characterized by its fine texture and yellowish color. It plays a significant role in soil formation and fertility, especially in regions with …