Sićevo Gorge

The Sićevo Gorge (Serbian: Sićevačka klisura; Serbian Cyrillic: Сићевачка клисура, pronounced [sîtɕɛʋatʃkaː klǐsura]), a river gorge and archaeological site in southeastern Serbia is the locally most prominent geological and topographic feature formed by the Nišava River. The gorge is located between the towns of Bela Palanka and Niška Banja. It is 17 km (11 mi) long and 350 to 400 m (1,150 to 1,310 ft) deep, in some parts developing canyon-like structures (including the inverse valley slopes at the Gradiški kanjon). The gorge is cut into the Kunovica plateau, between the southern slopes of the Svrljig Mountains and the mountain of Suva Planina. The surrounding areas are known for their high-quality vineyards. The gorge contains a stone quarry, the Ostrovica and six villages. The largest, Sićevo is the eponym of the gorge.

Sićevo Gorge
Сићевачка клисура
Sićevo Gorge
location in Serbia
Locationbetween Bela Palanka and Niška Banja
Regionsoutheastern Serbia
Coordinates43°18′51″N 22°8′10″E
Length17 km (11 mi)

Archaeological findings
Caves in the surrounding area Sićevo

In June 2008, a lower jaw, that is assumed to be of Homo erectus origin was excavated in the Mala Balanica cave, one of several cave sites in the gorge.[1] This hominin jaw bone fossil was dated to be between 397,000 and 525,000 years old on the basis of electron spin resonance in combination with uranium series isotopic analysis and infrared/post-infrared luminescence dating. The morphology of the mandible differs significantly from the more recent Homo heidelbergensis and completely lacks any prominent Homo neanderthalensis features. The jaw represents one of an increasing number of specimen discoveries in the south-eastern part of the European continent. It demonstrates plesiomorphic erectus-like traits that are coupled with synapomorphic traits common to Middle Pleistocene hominins.[2]

gollark: The combination of uniformly sized partitions and using the value on the "left" apparently causes bee.
gollark: https://math.stackexchange.com/questions/1803080/if-the-left-riemann-sum-of-a-function-converges-is-the-function-integrable
gollark: It seems to be if you use the WRONG version, is the thing.
gollark: Apparently, if you integrate the "characteristic function of the rational numbers" (1 if rational, 0 otherwise) from 0 to 1, you will attain 1, because x is always rational (because b - a is 1, and all the partitions are the same size), even though it should be 0.
gollark: For another thing, as I found out while reading a complaint by mathematicians about the use of Riemann integrals over gauge integrals, if you always take the point to "sample" as the left/right/center of each partition *and* the thing is evenly divided up into partitions, it's actually wrong in some circumstances.

References
  1. A possible Homo erectus jaw from Sicevo Gorge, Serbia; Anthropology.net, June 29, 2008.
  2. Rink, William J.; Norbert Mercier; Dušan Mihailović; Mike W. Morley; Jeroen W. Thompson & Mirjana Roksandic (2013) "New Radiometric Ages for the BH-1 Hominin from Balanica (Serbia): Implications for Understanding the Role of the Balkans in Middle Pleistocene Human Evolution"; PLOS ONE.

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