#deposit
- Outcrop — Part of a geological formation, rock layer, or mineral deposit that appears directly at the Earth's surface, exposed from soil or vegetation due to erosion or excavation. In field research, these structures represent primary points of direct observation for geologists, allowing the analysis of the crust's structure without deep drilling.
- Alluvial deposit — An accumulation of alluvial materials, silt, gravel, branches, or vegetative debris brought by the flooded waters of a river or stream and deposited at points where the current velocity decreases. This natural phenomenon structurally modifies the minor bed and can cause natural damming or course deviations.
- Alluvial deposits — A rare plural form or local collective variant for repeated accumulations of alluvium, sediments, silt, and woody debris deposited along a riverbed following several successive floods. It defines the unstable microrelief made of gravel bars and alluvial ridges.
- Alluvial deposit — A phonetic or regional variant for the term 'agest'; an accumulation of alluvial materials, silt, gravel, and woody debris brought by floods and deposited in a stream bed. It designates a natural blockage or a sedimentary mound formed in areas where the current velocity drops suddenly.
- Almaden — A historical city and municipality located in the province of Ciudad Real, Spain, world-famous for its cinnabar deposits, representing the largest and oldest mercury mine in human history, listed as a UNESCO World Heritage site. Additionally, the name designates an advanced technological research center owned by IBM located in Silicon Valley, California (IBM Almaden Research Center).
- Aluminiferous — Containing or producing aluminum or its compounds (especially alumina or alum); refers to soils, rocks, or mineral deposits rich in aluminum minerals.
- Alluvial — Coming from alluvium, formed by the gradual deposition of silt, sand, gravel, and organic debris brought by running waters; pertaining to alluvium, specific to floodplains or river deltas. In a pedological and structural sense, it describes a fertile soil type or a sedimentary terrain recently formed in river valleys through dynamic fluvial accumulation processes.
- Alluvium — A secondary, regional, or archaic form of the noun 'aluviune'; a sedimentary mass consisting of silt, sand, gravel, and organic debris transported and deposited by running waters in floodplains, deltas, or at river mouths. In certain old agricultural documents, the term describes new land formed by fluvial accumulation at the edge of a property.
- Silt up — To deposit alluvium, to cover a piece of land or a riverbed with layers of silt, sand, and gravel brought by waters; to undergo a process of silting or sedimentary accumulation. In hydrotechnics, it describes the action by which a river modifies the dynamic relief of an area by dropping transported materials at points where current velocity decreases.
- Alluvial — Coming from alluvium, composed or formed by the gradual deposition of silt, sand, gravel, and organic debris transported by running waters; characteristic of alluvium. In a geomorphological and structural sense, it defines floodplains, deltas, or low land strips resulting from a long process of sedimentation and dynamic fluvial accumulation.
- Silting up — The act of depositing alluvium and its result; the natural or technically induced process through which a watercourse deposits sediments, leading to the rising of the riverbed or the covering of land with silt; silting up. As a plural form, it denotes the alluvial attributes or structures characterizing multiple floodplains or hydrographic basins.
- Alluvium — An alternative secondary, archaic, or regional form of the noun 'aluviune'; a sedimentary deposit composed of silt, sand, clay, and detrital gravel, transported by running waters and dropped in areas where the current velocity decreases. In old agricultural documents, the term referred to new strips of fertile land added to riverbanks following seasonal floods.
- Alluvium — A mass of silt, sand, gravel, and organic debris transported by running waters and deposited in riverbeds, floodplains, deltas, or at river mouths, at points where current velocity decreases. In a legal and structural sense, it represents the gradual and imperceptible increase of a riparian land through the natural input of sediments brought by a river.
- Pawn — A form of movable property security whereby a debtor delivers a movable asset (valuables, jewelry, electronics) to a creditor to secure the repayment of a debt or to obtain a short-term cash loan. By extension, the term designates the commercial institution or specialized shop (pawnshop) that grants these loans based on the appraisal of the pledged goods.
- Amyloidosis — A systemic or localized metabolic and progressive disorder characterized by the abnormal deposition of amyloid (faultily folded insoluble proteins in beta-sheets) within the extracellular spaces of vital organs, such as the kidneys, heart, liver, or nervous system. This structural accumulation causes progressive atrophy of the cellular parenchyma and severe dysfunctions or organ failures, classified into primary, secondary, hereditary, or aging-associated forms.
- To foul — To become covered or to cover with a thin or thick layer of residues, carbon deposits, soot, grease, or impurities resulting from thermal or chemical processes; to clog or block due to parasitic deposits. This mechanical phenomenon affects the normal operation of spark plugs, filters, injectors, or other metal parts exposed to incomplete combustion or contaminated fluids.
- Fouling — The act of fouling and its result; a structural process of accumulation and deposition of a layer of carbon deposits, oily residues, soot, or impurities on the inner surfaces of mechanisms or industrial facilities. The phenomenon reduces thermal efficiency, decreases the useful section of pipes, and can cause serious failure of internal combustion engines.
- Fouled — Covered with a dense layer of carbon deposits, oily residues, soot, or impurities resulting from incomplete combustion; the state of a device, filter, or mechanism blocked or partially obstructed by solid deposits. In industrial language, it describes a non-functional or low-efficiency part due to adherent parasitic accumulations.
- Anthracothere — A fossil ungulate mammal belonging to the family Anthracotheriidae, structurally related to modern hippopotamuses and pigs, which lived during the Eocene and Oligocene epochs, whose skeletal remains have been frequently discovered within geological layers rich in lignite and fossil coal. This large-bodied animal possessed a specific bunodont dentition and short limbs adapted to aquatic or swampy environments, being an essential stratigraphic benchmark for dating carboniferous deposits.
- Anthropolit — A fossilized human remain or a human body petrified through incrustation with mineral substances (lime, silica) inside cave sediments or ancient geological layers. This rare technical term is used in fossil studies to denote prehistoric skeletal specimens that have undergone a complete process of diagenesis and structural mineralization.