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Concept
Cascajal Block
Summary
The Cascajal Block is a tablet-sized writing slab in Mexico, made of serpentinite, which has been dated to the early first millennium BCE, incised with hitherto unknown characters that may represent the earliest writing system in the New World. Archaeologist Stephen D. Houston of Brown University said that this discovery helps to "link the Olmec civilization to literacy, document an unsuspected writing system, and reveal a new complexity to [the Olmec] civilization."
The Cascajal Block was discovered by road builders in the late 1990s in a pile of debris in the village of Lomas de Tacamichapan in the Veracruz lowlands in the ancient Olmec heartland of coastal southeastern Mexico. The block was found amidst ceramic shards and clay figurines and from these the block is dated to the Olmec archaeological culture's San Lorenzo Tenochtitlán phase, which ended c. 900 BCE, preceding the oldest Zapotec writing dated to about 500 BCE. Archaeologists Carmen Rodriguez and Ponciano Ortiz of the National Institute of Anthropology and History of Mexico examined and registered it with government historical authorities. It weighs about 11.5 kg (25 lb) and measures 36 cm × 21 cm × 13 cm. Details of the find were published by researchers in the 15 September 2006 issue of the journal Science.
The Olmec flourished in the Gulf Coast region of Mexico, ca. 1250–400 BCE. The evidence for the Cascajal writing system is based solely on the text on the Cascajal Block, but independently from the Cascajal Block and before its discovery, the existence of Olmec writing has been postulated on the basis of individual glyphs (or small groups of glyphs). Their relation with the Cascajal Block is unclear.
The block holds a total of 62 glyphs, some of which resemble plants such as maize and pineapple, or animals such as insects and fish. Many of the symbols are more abstract boxes or blobs. The symbols on the Cascajal block are unlike those of any other writing system in Mesoamerica, such as in Mayan languages or Isthmian, another extinct Mesoamerican script.
Official source
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