Search results
Results From The WOW.Com Content Network
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 bridges and mines.
Stalactite vault – See Muqarnas vault. A vaulting system employing carved Muqarna to corbel the span. Stellar vault – from Lierne (vault). A Rib vault including liernes and tiercerons forming a star shaped pattern of ribs. Stilted vault – See Ploughshare vault; Surbased vault – A vault with a cross section less than a semicircle, i.e. a ...
Whereas muqarnas in other regions is typically organized in horizontal layers projecting over each other, those in the west are organized in vertical layers. Wood and stucco were also the preferred mediums of muqarnas construction. [14] Muqarnas eventually reached its highest level of sophistication in the Alhambra of Granada, built by the Nasrids.
Image showing the six most common speleothems The "Witch’s Finger" in the Carlsbad Caverns, New Mexico. A stalagmite (UK: / ˈ s t æ l ə ɡ ˌ m aɪ t /, US: / s t ə ˈ l æ ɡ m aɪ t /; from Greek σταλαγμίτης (stalagmítēs); from Ancient Greek σταλαγμίας (stalagmías) 'dropping, trickling' and -ίτης (-ítēs) 'one connected to, a member of') [1] is a type of ...
Straws (stalactite precursors) in Gardner's Gut. Soda straw. A soda straw (or simply straw) is a speleothem in the form of a hollow mineral cylindrical tube. They are also known as tubular stalactites. Soda straws grow in places where water leaches slowly through cracks in rock, such as on the roofs of caves.
Muqarnas (also known as "stalactite" or "honeycomb" sculpting) was also rendered more complex than before by using smaller individual cells to create the three-dimensional geometric forms. Visual balance could be achieved by alternating one type or pattern of decoration with another between the different subdivisions of the vault. [ 4 ]
The dome chamber in the Palace of Ardashir, the Sassanid king, in Firuzabad, Iran, is the earliest surviving example of the use of the squinch. [7] [8] After the rise of Islam, it remained a feature of Islamic architecture, especially in Iran, and was often covered by corbelled stalactite-like structures known as muqarnas.
Calthemite straw stalactite growing from the concrete ceiling of an undercover car-park Calthemite straw stalactites, the rightmost example demonstrating bending due to the direction of air currents during its formation. Calthemite is a secondary deposit, derived from concrete, lime, mortar or other calcareous material outside the cave environment.