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Ashlar (/ ˈ æ ʃ l ər /) is a cut and dressed stone, worked using a chisel to achieve a specific form, typically rectangular in shape. The term can also refer to a structure built from such stones. [1] Ashlar is the finest stone masonry unit, and is generally rectangular . It was described by Vitruvius as opus isodomum or trapezoidal.
Two adjacent vermiculated blocks showing rather different interpretations of the pattern. The most common variation of rustication is the smooth-faced, where the external face of the block is smooth, as in ashlar, and differs from that only by the cutting in at the joints; this became increasingly popular, and is now the most commonly seen type.
[1] bore 1. A steep-fronted wave formed by the convergence of two tidal bulges or by the constriction of an incoming tide as it travels up a river, firth, or narrow bay, temporarily reversing the direction of the current. [4] 2. A deep, man-made hole or shaft drilled into the ground, e.g. in mining, or for digging a well or tunnel.
It is one of the terms used by geographers and landscape historians to classify settlements. [1] It is most accurate with regard to planned settlements: its concept is one in which the houses, even most farmhouses within the entire associated area of land, such as a parish , cluster around a central church, which is perhaps close to the village ...
A thematic map is a type of map that portrays the geographic pattern of a particular subject matter (theme) in a geographic area. This usually involves the use of map symbols to visualize selected properties of geographic features that are not naturally visible, such as temperature, language, or population. [1]
A dispersed settlement, also known as a scattered settlement, is one of the main types of settlement patterns used by landscape historians to classify rural settlements found in England and other parts of the world. Typically, there are a number of separate farmsteads scattered throughout the area. [1]
Settlement geography is a branch of human geography that investigates the Earth's surface's part settled by humans. According to the United Nations' Vancouver Declaration on Human Settlements (1976), "human settlements means the totality of the human community – whether city, town or village – with all the social, material, organizational, spiritual and cultural elements that sustain it."
Radial drainage pattern The radial drainage network of Dogu’a Tembien in Ethiopia. In a radial drainage system, the streams radiate outwards from a central high point. Volcanos usually have archetypal features on which this commonly develops are modest or hard domes pattern develops when streams flow in many general directions (meaning quite ...