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Silver amphora-rhyton with zoomorphic handles, c. 500 BC, Vassil Bojkov Collection (Sofia, Bulgaria) An amphora (/ ˈ æ m f ər ə /; Ancient Greek: ἀμφορεύς, romanized: amphoreús; English pl. amphorae or amphoras) is a type of container [1] with a pointed bottom and characteristic shape and size which fit tightly (and therefore safely) against each other in storage rooms and ...
The female part of the connector is the 7×7× 4 + 1 ⁄ 2 in (180×180×110 mm) corner casting, which forms each of the eight corners, welded to the container itself, and has no moving parts, only an oval hole in the tops of the four upper corners, and in the bottom of the four lower corners. The hole is an oval 4.9 in (124.5 mm) on the long ...
Rock formations in Ongamira Valley, Sierras de Córdoba, Argentina. Belogradchik Rocks, Balkan Mountains, Bulgaria. "Jaws", an erosional fin in Little Finland, Nevada, US. "Hajdučka vrata" on Čvrsnica, Herzegovina. Paklenica, Croatia. Devil's Town, Serbia. Three Sisters in Blue Mountains, Australia. A rock formation is an isolated, scenic, or ...
Bed (geology) In geology, a bed is a layer of sediment, sedimentary rock, or volcanic rock "bounded above and below by more or less well-defined bedding surfaces". [1] Specifically in sedimentology, a bed can be defined in one of two major ways. [2] First, Campbell [3] and Reineck and Singh [4] use the term bed to refer to a thickness ...
Image showing the six most common speleothems with labels. Enlarge to view labels. A stalactite (UK: / ˈ s t æ l ə k ˌ t aɪ t /, US: / s t ə ˈ l æ k t aɪ t /; from Ancient Greek σταλακτός (stalaktós) 'dripping', from σταλάσσειν (stalássein) 'to drip') [1] is a mineral formation that hangs from the ceiling of caves, hot springs, or man-made structures such as ...
Torricelli's law, also known as Torricelli's theorem, is a theorem in fluid dynamics relating the speed of fluid flowing from an orifice to the height of fluid above the opening. The law states that the speed of efflux of a fluid through a sharp-edged hole in the wall of the tank filled to a height above the hole is the same as the speed that a ...
The Long Kin East system is a solutional cave formed in Visean Great Scar limestone from the Mississippian Series of the Carboniferous period. [7] The entrance to Long Kin East Cave is close to the limestone margin where a small stream, with a mean flow of about 30 litres per second (6.6 impgal/s), sinks into the limestone.
A plunge pool (or plunge basin or waterfall lake) is a deep depression in a stream bed at the base of a waterfall or shut-in. It is created by the erosional forces of cascading water on the rocks at the formation's base where the water impacts. [1] The term may refer to the water occupying the depression, or the depression itself.