The Olmec flourished during Mesoamerica's Formative period, dating roughly from 1400 BCE to about 400 BCE. They were the first Mesoamerican civilization and laid many of the foundations for the civilizations that followed. Among other "firsts", there is evidence that the Olmec practiced ritual bloodletting and played the Mesoamerican ballgame, hallmarks of nearly all subsequent Mesoamerican societies.
The most familiar aspect of the Olmecs is their artwork, particularly the aptly-named colossal heads. In fact, the Olmec civilization was first defined through artifacts purchased on the pre-Columbian art market in the late 19th and early 20th centuries. Olmec artworks are considered among ancient America's most striking and beautiful, and among the world's masterpieces.
The "Olmec heartland" is an archaeological term used to describe an area in the Gulf lowlands that is generally considered the birthplace of the Olmec culture. This area is characterized by swampy lowlands punctuated by low hills, ridges, and volcanoes. The Tuxtlas Mountains rise sharply in the north, along the Gulf of Mexico's Bay of Campeche. Here the Olmecs constructed permanent city-temple complexes at San Lorenzo Tenochtitlán, La Venta, Tres Zapotes, and Laguna de los Cerros. In this region, the first Mesoamerican civilization would emerge and reign from 1400–400 BCE.
The first Olmec center, San Lorenzo, was all but abandoned around 900 BCE at about the same time that La Venta rose to prominence. A wholesale destruction of many San Lorenzo monuments also occurred circa 950 BCE, which may point to an internal uprising or, less likely, an invasion. The latest thinking, however, is that environmental changes may have been responsible for this shift in Olmec centers, with certain important rivers changing course.
In any case, following the decline of San Lorenzo, La Venta became the most prominent Olmec center, lasting from 900 BCE until its abandonment around 400 BCE. La Venta sustained the Olmec cultural traditions, but with spectacular displays of power and wealth. The Great Pyramid was the largest Mesoamerican structure of its time. Even today, after 2500 years of erosion, it rises 34 meters above the naturally flat landscape. Buried deep within La Venta, lay opulent, labor-intensive "Offerings": 1000 tons of smooth serpentine blocks, large mosaic pavements, and at least 48 separate deposits of polished jade celts, pottery, figurines, and hematite mirrors.
What ever the cause, within a few hundred years of the abandonment of the last Olmec cities, successor cultures had become firmly established. The Tres Zapotes site, on the western edge of the Olmec heartland, continued to be occupied well past 400 BCE, but without the hallmarks of the Olmec culture. This post-Olmec culture, often labeled Epi-Olmec, has features similar to those found at Izapa, some 330 miles (550 km) to the southeast.
The Olmec culture was first defined as an art style, and this continues to be the hallmark of the culture. Wrought in a large number mediums – jade, clay, basalt, and greenstone among others – much Olmec art, such as the Wrestler, is surprisingly naturalistic. Other art, however, reveals fantastic anthropomorphic creatres, often highly stylized, using an iconography reflective of a religious meaning. Common motifs include downturned mouths and a cleft head, both of which are seen in representations of were-jaguars.
In addition to human and human-like subjects, Olmec artisans were adept at animal portrayals, for example, the fish vessel to the right or the bird vessel in the gallery below.
While Olmec figurines are found abundantly in sites throughout the Formative Period, it is the stone monuments such as the colossal heads that are the most recognizable feature of Olmec culture. These monuments can be divided into four classes:
There have been 17 colossal heads unearthed to date.
|San Lorenzo||10||Colossal Heads 1 through 10|
|La Venta||4||Monuments 1 through 4|
|Tres Zapotes||2||Monuments A & Q|
|Rancho la Cobata||1||Monument 1|
The heads range in size from the Rancho La Cobata head, at 3.4 m high, to the pair at Tres Zapotes, at 1.47 m. It has been calculated that the largest heads weigh between 25 and ..
The heads were carved from single blocks or boulders of volcanic basalt, found in the Tuxtlas Mountains. The Tres Zapotes heads, for example, were sculpted from basalt found at the summit of Cerro el Vigía, at the western end of the Tuxtlas. The San Lorenzo and La Venta heads, on the other hand, were likely carved from the basalt of Cerro Cintepec, on the southeastern side, perhaps at the nearby Llano del Jicaro workshop, and dragged or floated to their final destination dozens of miles away. It has been estimated that moving a colossal head required the efforts of 1,500 people for three to four months.
Some of the heads, and many other monuments, have been variously mutilated, buried and disinterred, reset in new locations and/or reburied. It is known that some monuments, and at least two heads, were recycled or recarved, but it is not known whether this was simply due to the scarcity of stone or whether these actions had ritual or other connotations. It is also suspected that some mutilation had significance beyond mere destruction, but some scholars still do not rule out internal conflicts or, less likely, invasion as a factor.
The flat-faced, thick-lipped characteristics of the heads have caused some debate due to their apparent resemblance to African facial characteristics. Based on this comparison, some have insisted that the Olmecs were Africans who had emigrated to the New World. However, mainstream Mesoamerican scholars now reject this view, and offer other possible explanations for the facial features of the colossal heads – for example, that the heads were carved in this manner due to the shallow space allowed on the basalt boulders. Others note that in addition to the broad noses and thick lips, the heads have the Asian eye-fold, and that all these characteristics can still be found in modern Mesoamerican Indians. To support this, in the 1940s artist/art historian Miguel Covarrubias published a series of photos of Olmec artworks and of the faces of modern Mexican Indians with very similar facial characteristics.
Olmec-style artifacts, designs, figurines, monuments and iconography have been found in the archaeological records of sites hundreds of kilometres outside the Olmec heartland. These sites include:
Other sites showing probable Olmec influence include Takalik Abaj and La Democracia in Guatemala and Zazacatla in Morelos. The Juxtlahuaca and Oxtotitlan cave paintings feature Olmec designs and motifs.
Many theories have been advanced to account for the occurrence of Olmec influence far outside the heartland, including long-range trade by Olmec merchants, Olmec colonization of other regions, Olmec artisans travelling to other cities, conscious imitation of Olmec artistical styles by developing towns – some even suggest the prospect of Olmec military domination or that the Olmec iconography was actually developed outside the heartland.
The generally accepted, but by no means unanimous, interpretation is that the Olmec-style artifacts, in all sizes, became associated with elite status and were adopted by non-Olmec Formative Period chieftains in an effort to bolster their status.
The argument that the Olmecs instituted human sacrifice is significantly more speculative. No Olmec or Olmec-influenced sacrificial artifacts have yet been discovered and there is no Olmec or Olmec-influenced artwork that unambiguously shows sacrificial victims (similar, for example, to the danzante figures of Monte Albán) or scenes of human sacrifice (such as can be seen in El Tajin Ballcourt Mural (Tom Aleto).jpg from El Tajin).
However, at the El Manatí site, disarticulated skulls and femurs as well as complete skeletons of newborn or unborn children have been discovered amidst the other offerings, leading to speculation concerning infant sacrifice. It is not yet known, though, how the infants met their deaths. Some authors have also associated infant sacrifice with Olmec ritual art showing limp were-jaguar babies, most famously in La Venta's Altar 5 (to the left) or Las Limas figure. Any definitive answer will need to await further findings.
Known as the Cascajal Block, the 2006 find from a site near San Lorenzo, shows a set of 62 symbols, 28 of which are unique, carved on a serpentine block. A large number of prominent archaeologists have hailed this find as the "earliest pre-Columbian writing". Others are skeptical because of the stone's singularity, the fact that it had been removed from any archaeological context, and because it bears no apparent resemblance to any other Mesoamerican writing system.
There are also well-documented later hieroglyphs known as "Epi-Olmec", and while there are some who believe that Epi-Olmec may represent a transitional script between an earlier Olmec writing system and Maya writing, the matter remains unsettled.
The Long Count calendar required the use of zero as a place-holder within its vigesimal (base-20) positional numeral system. A shell glyph — — was used as a zero symbol for these Long Count dates, the second oldest of which, on Stela C at Tres Zapotes, has a date of 32 BCE. This is one of the earliest uses of the zero concept in history.
In 1976 linguists Lyle Campbell and Terrence Kaufman published a paper in which they argued a core number of loanwords had apparently spread from a Mixe-Zoquean language into many other Mesoamerican languages. Campbell and Kaufman proposed that the presence of these core loanwords indicated that the Olmec—generally regarded as the first "highly civilized" Mesoamerican society—spoke a language ancestral to Mixe-Zoquean. The spread of this vocabulary particular to their culture accompanied the diffusion of other Olmec cultural and artistic traits that appears in the archaeological record of other Mesoamerican societies.
Mixe-Zoque specialist Søren Wichmann first critiqued this theory on the basis that most of the Mixe-Zoquean loans seemed to originate from the Zoquean branch of the family only. This implied the loanword transmission occurred in the period after the two branches of the language family split, placing the time of the borrowings outside of the Olmec period. However new evidence has pushed back the proposed date for the split of Mixean and Zoquean languages to a period within the Olmec era. Based on this dating, the architectural and archaeological patterns and the particulars of the vocabulary loaned to other Mesoamerican languages from Mixe-Zoquean, Wichmann now suggests that the Olmecs of San Lorenzo spoke proto-Mixe and the Olmecs of La Venta spoke proto-Zoque.
At least the fact that the Mixe-Zoquean languages still are, and are historically known to have been, spoken in an area corresponding roughly to the Olmec heartland, leads most scholars to assume that the Olmec spoke one or more Mixe-Zoquean languages.
Olmec religious activities were performed by a combination of rulers, full-time priests, and shamans. The rulers seem to have been the most important religious figures, with their links to the Olmec deities or supernaturals providing legitimacy for their rule. There is also considerable evidence for shamans in the Olmec archaeological record, particularly in the so-called "transformation figures".
Olmec mythology has left no documents comparable to the Popul Vuh from Maya mythology, and therefore any exposition of Olmec mythology must rely on interpretations of surviving monumental and portable art (such as the Las Limas figure at right), and comparisons with other Mesoamerican mythologies. Olmec art shows that such deities as the Feathered Serpent and a rain supernatural were already in the Mesoamerican pantheon in Olmec times.
Instead, archaeologists relied on the data that they had, such as large- and small-scale site surveys. These provided evidence of considerable centralization within the Olmec region, first at San Lorenzo and then at La Venta – no other Olmec sites come close to these in terms of area or in the quantity and quality of architecture and sculpture.
This evidence of geographic and demographic centralization leads archaeologists to propose that Olmec society itself was hierarchial, concentrated first at San Lorenzo and then at La Venta, with an elite that was able to use their control over materials such as water and monumental stone to exert command and legitimize their regime.
Nonetheless, Olmec society is thought to lack many of the institutions of later civilizations, such as a standing army or priestly caste. And there is no evidence that San Lorenzo or La Venta controlled, even during their heyday, all of the Olmec heartland. There is some doubt, for example, that La Venta controlled even Arroyo Sonso, only some 35 km away. Studies of the Tuxtla Mountain settlements, some 60 km away, indicate that this area was composed of more or less egalitarian communities outside the control of lowland centers.
These villages were located on higher ground and consisted of several scattered houses. A modest temple may have been associated with the larger villages. The individual dwellings would consist of a house, an associated lean-to, and one or more storage pits (similar in function to a root cellar). A nearby garden was used for medicinal and cooking herbs and for smaller crops such as the domesticated sunflower. Fruit trees, such as avocado or cacao, were likely available nearby.
Although the river banks were used to plant crops between flooding periods, the Olmecs also likely practiced swidden (or slash-and-burn) agriculture to clear the forests and shrubs, and to provide new fields once the old fields were exhausted. Fields were located outside the village, and were used for maize, beans, squash, manioc, sweet potato, as well as cotton. Based on archaeological studies of two villages in the Tuxtlas Mountains, it is known that maize cultivation became increasingly important to the Olmec over time, although the diet remained fairly diverse.
The fruits and vegetables were supplemented with fish, turtle, snake, and mollusks from the nearby rivers, and crabs and shellfish in the coastal areas. Birds were available as food sources, as were game including peccary, oppossum, raccoon, rabbit, and in particular deer. Despite the wide range of hunting and fishing available, midden surveys in San Lorenzo have found that the domesticated dog was the single most plentiful source of animal protein.
Olmec culture was unknown to historians until the mid-19th century. In 1869 the Mexican antiquarian traveller José Melgar y Serrano published a description of the first Olmec monument to have been found in situ. This monument—the colossal head now labelled Tres Zapotes Monument A—had been discovered in the late 1850s by a farm worker clearing forested land on a hacienda in Veracruz. Hearing about the curious find while travelling through the region, Melgar y Serrano first visited the site in 1862 to see for himself and complete partially exposed sculpture's excavation. His description of the object, published several years later after further visits to the site, represents the earliest documented report of an artifact of what is now known as the Olmec culture.
In the latter half of the 19th century, Olmec artifacts such as the Kunz Axe (right) came to light and were subsequently recognized as belonging to a unique artistic tradition.
Frans Blom and Oliver La Farge made the first detailed descriptions of La Venta and San Martin Pajapan Monument 1 during their 1925 expedition. However, at this time most archaeologists assumed the Olmec were contemporaneous with the Maya – even Blom and La Farge were, in their own words, "inclined to ascribe them to the Maya culture"..
Matthew Stirling of the Smithsonian Institution conducted the first detailed scientific excavations of Olmec sites in the 1930s and 1940s. Stirling, along with art historian Miguel Covarrubias, became convinced that the Olmec predated most other known Mesoamerican civilizations.
In counterpoint to Stirling, Covarrubias, and Alfonso Caso, however, Mayanists Eric Thompson and Sylvanus Morley argued for Classic-era dates for the Olmec artifacts. The question of Olmec chronology came to a head at a 1942 Tuxtla Gutierrez conference, where Alfonso Caso declared that the Olmecs were the "mother culture" ("cultura madre") of Mesoamerica.
Shortly after the conference, radiocarbon dating proved the antiquity of the Olmec civilization, although the "mother culture" question generates much debate even 60 years later.
Early modern explorers and archaeologists, however, mistakenly applied the name "Olmec" to the rediscovered ruins and artifacts in the heartland decades before it was understood that these were not created by people the Aztecs knew as the "Olmec", but rather a culture that was 2000 years older. Despite the mistaken identity, the name has stuck.
It is not known what name the ancient Olmec used for themselves; some later Mesoamerican accounts seem to refer to the ancient Olmec as "Tamoanchan". A contemporary term sometimes used to describe the Olmec culture is tenocelome, meaning "mouth of the jaguar".
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