Parent material information

Parent material is the underlying geological material (generally bedrock or a superficial or drift deposit) in which soil horizons form. Soils typically...

parent rock, also sometimes substratum, is the original rock from which younger rock or soil is formed. In soil formation, the parent rock (or parent...

has altered the recipients' genetic material. The most common types of parents are mothers, fathers, step-parents, and grandparents. A mother is "a woman...

in turn, becomes the parent company of the subsidiary. (A holding below 50% could be sufficient to give a parent company material influence if they are...

of changes. The starting point is weathering of freshly accumulated parent material. A variety of soil microbes (bacteria, archaea, fungi) feed on simple...

non-parent or non-blood relations. Others may be adopted, raised in foster care, or placed in an orphanage. Parenting skills vary, and a parent or surrogate...

Building material is material used for construction. Many naturally occurring substances, such as clay, rocks, sand, wood, and even twigs and leaves, have...

by external and internal factors. External factors such as climate, parent material which forms the soil and topography, control the overall structure...

plowing of a virgin soil of that type. Podzols can occur on almost any parent material but generally derive from either quartz-rich sands and sandstone or...

(elevation, orientation, and slope of terrain), organisms, and the soil's parent materials (original minerals) interacting over time. It continually undergoes...

weathering, especially redox reactions. As the primary minerals in soil parent material weather, the elements combine into new and colorful compounds. Soil...

Bernard Marcel Parent (born April 3, 1945) is a Canadian former professional ice hockey goaltender who played 13 National Hockey League (NHL) seasons with...

from soil-forming processes and characteristics inherited from the parent material. Examples are the World Reference Base for Soil Resources (WRB) and...

explorer. Obsidian is formed from quickly cooled lava, which is the parent material. Extrusive formation of obsidian may occur when felsic lava cools rapidly...

assumption is that the parent material is fresh. This means that the parent material assumed to be a proxy for the original parent material must be both chemically...

from rocks that have silica (SiO2) as a principal constituent. The parent material of siliceous soils may include quartz sands, chert, quartzite, quartz...

rain shadow that resulted in lower precipitation rates downwind. The parent material of most prairie soil was distributed during the last glacial advance...

Entisols have no diagnostic horizons, and are unaltered from their parent material, which could be unconsolidated sediment, or rock. Entisols are the...

"Material Girl" is a song recorded by American singer Madonna for her second studio album, Like a Virgin (1984). It was released on January 23, 1985, by...

calcareous material. They are often called A/C soils, as the topsoil or A horizon is immediately over a C horizon (unaltered parent material). Soil Glossary...

A parenting style is a pattern of behaviors, attitudes, and approaches that a parent uses when interacting with and raising their child. The study of parenting...

the common paradigm that chernozems are zonal soils with climate, parent material and bioturbation dominating soil formation, and introduce fire as a...

experienced between the weld metal and the parent material. As the weld cools, residual stress is formed. For thicker materials, these stresses can reach an unacceptable...

that are usually formed from carbonate- or occasionally sulfate-rich parent material. Rendzina soils are often found in karst and mountainous regions. The...

slightly below 0 °C on sites exposed to the sun with coarse-textured parent materials (vegetation). When there is not sufficient heat to thaw the frozen...

They are common in lowland areas (below 1,000 feet) on permeable parent material. The most common vegetation types are deciduous woodland and grassland...