- grain packing
- The spatial arrangement of grains forming porous medium [16].
A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. Courtesy of the author & The Karst Waters Institute. 2002.
A Lexicon of Cave and Karst Terminology with Special Reference to Environmental Karst Hydrology. Courtesy of the author & The Karst Waters Institute. 2002.
Seed grain — Seed Seed (s[=e]d), n.; pl. {Seed} or {Seeds}. [OE. seed, sed, AS. s[=ae]d, fr. s[=a]wan to sow; akin to D. zaad seed, G. saat, Icel. s[=a][eth], s[ae][eth]i, Goth. manas[=e][thorn]s seed of men, world. See {Sow} to scatter seed, and cf.… … The Collaborative International Dictionary of English
Clastic rock — A thin section of a clast (sand grain), derived from a basalt score. Vesicles (air bubbles) can be seen throughout the clast. Plane light above, cross polarized light below. Scale box is 0.25 mm Clastic rocks are composed of fragments, or clasts … Wikipedia
Exner equation — IntroductionThe Exner equation is a statement of conservation of mass that applies to sediment in a fluvial system such as a river. [Paola, C., and V. R. Voller (2005), A generalized Exner equation for sediment mass balance, J. Geophys. Res. ,… … Wikipedia
Sioux City — • Comprises twenty four counties in north western Iowa Catholic Encyclopedia. Kevin Knight. 2006. Sioux City Sioux City † … Catholic encyclopedia
Crystal structure — In mineralogy and crystallography, crystal structure is a unique arrangement of atoms or molecules in a crystalline liquid or solid. A crystal structure is composed of a pattern, a set of atoms arranged in a particular way, and a lattice… … Wikipedia
sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… … Universalium
crystal — crystallike, adj. /kris tl/, n., adj., v., crystaled, crystaling or (esp. Brit.) crystalled, crystalling. n. 1. a clear, transparent mineral or glass resembling ice. 2. the transparent form of crystallized quartz. 3. Chem., Mineral. a solid body… … Universalium
Crystal — /kris tl/, n. 1. a city in SE Minnesota, near Minneapolis. 25,543. 2. a female given name. * * * I Any solid material whose atoms are arranged in a definite pattern and whose surface regularity reflects its internal symmetry. Each of a crystal s… … Universalium
Food preservation — Canadian World War I poster encouraging people to preserve food for the winter … Wikipedia
rock — rock1 rockless, adj. rocklike, adj. /rok/, n. 1. a large mass of stone forming a hill, cliff, promontory, or the like. 2. Geol. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable… … Universalium