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Izapa Stela 5 is one of a number of large, carved stelae found in the ancient Mesoamerican site of Izapa, in the Soconusco region of Chiapas, Mexico along the present-day Guatemalan border. These stelae date from roughly 300 BCE to 50 or 100 BCE, [ 1 ] although some argue for dates as late as 250 CE.
Its largest stone weighs 57 tons and measures approximately 19 feet (5.8 m) long by 9 feet (2.7 m) tall by 2 feet (0.61 m) thick. [61] The Maltese temples are the oldest free-standing structures on Earth. [62] Ashoka Pillars, weighing up to about 50 tons, were transported throughout India to territory ruled by Ashoka. [63] Göbekli Tepe, Turkey.
The following is a list of rock types recognized by geologists.There is no agreed number of specific types of rock. Any unique combination of chemical composition, mineralogy, grain size, texture, or other distinguishing characteristics can describe a rock type.
The stone or stone weight (abbreviation: st.) [1] is an English and British imperial unit of mass equal to 14 avoirdupois pounds (6.35 kg). [ nb 1 ] The stone continues in customary use in the United Kingdom and Ireland for body weight .
Grain size (or particle size) is the diameter of individual grains of sediment, ... 2.5–10.1 in Cobble: −5 to −6 32–64 mm 1.26–2.5 in Very coarse gravel:
The heaviest hail stone on record in the United States had a reported diameter of 11 inches (27.94 centimeters) and weighed nearly 2 pounds (907 grams). It was discovered near Vivian, South Dakota ...
In geology, rock (or stone) ... which are rigid, mineral-like substances, such as volcanic glass, [5]: 55, 79 ... and particle size.
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