Clues To Caribbean’s Earliest Inhabitants Discovered
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Aug 21, 2009
A prehistoric water-filled cave in the Dominican Republic has become a “treasure trove” with the announcement by Indiana University archaeologists of the discovery of stone tools, a small primate skull in remarkable condition, and the claws, jawbone and other bones of several species of sloths.
The discoveries extend by thousands of years the scope of investigations led Charles Beeker, director of Academic Diving and Underwater Science Programs at IU Bloomington’s School of Health, Physical Education and Recreation, and his interdisciplinary team of collaborators. The researchers’ focus has been on the era a mere 500 years ago when the Old World and New World first met after Christopher Columbus stepped ashore in the Caribbean — and on scintillating pirate lore. This rare find is expected to give insights into the earliest inhabitants of the Greater Antilles and the animals they encountered.
“To be honest, I couldn’t believe my eyes as I viewed each of these astonishing discoveries underwater,” Beeker said. “The virtually intact extinct faunal skeletons really amazed me, but what may prove to be a fire pit from the first human occupation of the island just seems too good to be true. But now that the lithics (stone tools) are authenticated, I can’t wait to direct another underwater expedition into what may prove to become one of the most important prehistoric sites in all the Caribbean.”
Beeker and researchers Jessica Keller and Harley McDonald found the tools and bones in fresh water 28- to 34-feet deep in a cave called Padre Nuestro. Nearby, and also underwater in the same cave, were found more recent Taino artifacts. The Taino were the first Native American peoples to encounter Europeans. Beeker and his colleagues have been diving in this particular cave, which sits beneath a limestone bluff and is only accessible after submerging into a small pool, since 1996 as they studied its use as a Taino water-gathering site.
Geoffrey Conrad, director of the Mathers Museum of World Culture at IU Bloomington and professor of anthropology, said the tools are estimated to be 4,000 to 6,500 years old. The bones might range in age from 4,000 and 10,000 years old. While sloth bones are not uncommon, he knows of only a handful of other primate skulls found in the Caribbean.
“I know of no place that has sloths, primates and humanly made stone tools together in a nice, tight association around the same time,” said Conrad, also associate vice provost for research at IU Bloomington. “Right now it looks like a potential treasure trove of data to help us sort out the relationship in time between humans and extinct animals in the Greater Antilles. This site definitely is worthy of a large-scale investigation.”
The three stone tools and remnants, made of basalt and limestone, were examined by internationally known IU anthropologists Nicholas Toth and Kathy Schick, who told researchers the palm-sized stones showed unmistakable signs of human craftsmanship. Toth and Schick are co-directors of the Center for Research into the Anthropological Foundations of Technology (CRAFT) Stone Age Institute in Bloomington.
IU primate expert Kevin Hunt told researchers the primate could have been a howler monkey which is extinct in the Caribbean. Keller said the sloth bones came from six, and possibly seven, sloths and include several species, including one the size of a black bear and another the size of a large dog. She said the primate skull is significantly different than the other primate skulls found in the Caribbean.
“Very few primate skulls have been found in the Caribbean,” she said. “The others, found in the late 1800s and early 1900s, are three times as large. We have received a permit to bring the skull to Indiana University for further study. It’s all very exciting.”
Conrad said the lithics and bones, which have arrived at Beeker’s laboratory in the School of HPER, have not only expanded the research program to an earlier time but also to an issue of concern worldwide — the extinction of native birds and animals upon the arrival of humans. Caribbean sloths are among the many species that became extinct soon after the presence of humans.
Researchers with the Office of Underwater Science in the School of HPER work closely with cultural, historical, and tourism agencies and organizations in the Dominican Republic to protect and explore the country’s cultural heritage and natural history. Keller said local interest in the discoveries has been phenomenal. The cave where they were discovered, which is part of an aquifer and cave system that supplies water to nearby resorts, has been closed for research purposes.
“There’s a strong interest in protecting it, in having the research continue,” Keller said. “Our partners were excited before we even found the primate.”
The study is being conducted in cooperation with the Secretariat of State for Culture through the Office of Underwater Heritage and the Museum of Dominican Man, the Secretariat of State for Tourism, and the Secretariat of State for Environment and Natural Resources.
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