fine-grained particles
101Grain (disambiguation) — Grain refers to course particles (e.g. grain of sand , grain of salt ): *Grain is the small, hard, fruits or seeds of arable crops. Commonly grasses (see caryopsis, Cereals). *Film grain, the gritty texture sometimes apparent on images produced… …
102Genetic algorithm — A genetic algorithm (GA) is a search heuristic that mimics the process of natural evolution. This heuristic is routinely used to generate useful solutions to optimization and search problems. Genetic algorithms belong to the larger class of… …
103Opportunity rover — (MER B) Opportunity in April 2003 Operator NASA Mission type Rover …
104kaolin — kaolinic, adj. /kay euh lin/, n. a fine white clay used in the manufacture of porcelain. Also, kaoline. [1720 30; < F < Chin (Wade Giles) Kao1ling3, (pinyin) Gaoling mountain in Jiangxi province that yielded the first kaolin sent to Europe (gao… …
105Frost heaving — (or frost heave) occurs when soil expands and contracts due to freezing and thawing. This process can damage plant roots through breaking or desiccation, cause cracks in pavement, and damage the foundations of buildings, even below the frost line …
106structural clay products — Introduction ceramic products intended for use in building construction. Typical structural clay products are building brick, paving brick, terra cotta facing tile, roofing tile, and drainage pipe. These objects are made from commonly… …
107Impact crater — The prominent impact crater Tycho on the Moon. In the broadest sense, the term impact crater can be applied to any depression, natural or manmade, resulting from the high velocity impact of a projectile with a larger body. In most common usage,… …
108Clay — For other uses, see Clay (disambiguation). The Gay Head cliffs in Martha s Vineyard consist almost entirely of clay. Clay is a general term including many combinations of one or more clay minerals with traces of metal oxides and organic… …
109Phreatomagmatic eruption — Phreatomagmatic eruptions are defined as juvenile forming eruptions as a result of interaction between water and magma. They are different from magmatic and phreatic eruptions. The products of phreatomagmatic eruptions contain juvenile clasts,… …
110sandstone — /sand stohn /, n. a common sedimentary rock consisting of sand, usually quartz, cemented together by various substances, as silica, calcium carbonate, iron oxide, or clay. [1660 70; SAND + STONE] * * * Sedimentary rock formed from sand sized… …
