Stevenson followed the vestiges of the road eastward to find the lake and ended up in Roraima, Brazil, in the plains of Boa Vista. Upon examining the region Brazilian geologists Gert Woeltje and Frederico Guimarães Cruz along with Roland StevensonRoland Stevenson, "Parime: Finding the Legendary Lake." found that on all the surrounding hillsides a horizontal line appears at a uniform level approximately above sea level.Dalton Delfini Maziero, "El Dorado Em busca dos antigos mistérios Amazônicos," Arqueologiamericana. [Portuguese] This line registers the water level of an extinct lake which existed until relatively recent times. Researchers who studied it found that the lake's previous diameter measured and its area was about . About 700 years ago this giant lake began to drain due to epeirogenic movement and by the early 19th century it had dried up .Jeff Shea, The March 2013 Paragua River Expedition: Penetration into The Meseta de Ichún of Venezuela, Explorers Club Report #60.  Seasonal flooding was probably misidentified as a lake by some observers. The drainage system of the Rupununi Savannahs is unable to carry a high volume of surface runoff and as a result, most rivers flood in the wet season. In a few places ground water drainage is impeded by clay, and ponds and lakes persist for several months.Hans ter Steege, Gerold Zondervan, "A Preliminary Analysis of Large-Scale Forest Inventory Data of the Guiana Shield," unpublished research .Alberto V. Veloso, "On the footprints of a major Brazilian Amazon earthquake," An. Acad. Bras. Ciênc., vol. 86 no.3 Rio de Janeiro Sept. 2014. In 1977 Brazilian geologists Gert Woeltje and Frederico Guimarães Cruz along with Roland Stevenson, found that on all the surrounding hillsides a horizontal line appears at a uniform level approximately above sea level. This line registers the water level of an extinct lake which existed until relatively recent times. Researchers who studied it found that the lake's previous diameter measured and its area was about . About 700 years ago this giant lake began to drain due to tectonic movement. In June 1690, a massive earthquake opened a bedrock fault, forming a rift or a graben that permitted the water to flow into the Rio Branco. By the early 19th century it had dried up completely .
Stevenson followed the vestiges of the road eastward to find the lake and ended up in Roraima, Brazil, in the plains of Boa Vista. Upon examining the region Brazilian geologists Gert Woeltje and Frederico Guimarães Cruz along with Roland StevensonRoland Stevenson, "Parime: Finding the Legendary Lake." found that on all the surrounding hillsides a horizontal line appears at a uniform level approximately above sea level.Dalton Delfini Maziero, "El Dorado Em busca dos antigos mistérios Amazônicos," Arqueologiamericana. [Portuguese] This line registers the water level of an extinct lake which existed until relatively recent times. Researchers who studied it found that the lake's previous diameter measured and its area was about . About 700 years ago this giant lake began to drain due to epeirogenic movement .Jeff Shea, The March 2013 Paragua River Expedition: Penetration into The Meseta de Ichún of Venezuela, Explorers Club Report #60. In June 1690, a massive earthquake opened a bedrock fault, forming a rift or a graben that permitted the water to flow into the Rio Branco. By the early 19th century it had dried up completely. Seasonal flooding was probably misidentified as a lake by some observers. The drainage system of the Rupununi Savannahs is unable to carry a high volume of surface runoff and as a result, most rivers flood in the wet season. In a few places ground water drainage is impeded by clay, and ponds and lakes persist for several months.Hans ter Steege, Gerold Zondervan, "A Preliminary Analysis of Large-Scale Forest Inventory Data of the Guiana Shield," unpublished research .
D
and by the early 19th century it had dried up
A
In June 1690, a massive earthquake opened a bedrock fault, forming a rift or a graben that permitted the water to flow into the Rio Branco. By the early 19th century it had dried up completely.
D
.Alberto V. Veloso, "On the footprints of a major Brazilian Amazon earthquake," An. Acad. Bras. Ciênc., vol. 86 no.3 Rio de Janeiro Sept. 2014.
D
In 1977 Brazilian geologists Gert Woeltje and Frederico Guimarães Cruz along with Roland Stevenson, found that on all the surrounding hillsides a horizontal line appears at a uniform level approximately above sea level. This line registers the water level of an extinct lake which existed until relatively recent times. Researchers who studied it found that the lake's previous diameter measured and its area was about . About 700 years ago this giant lake began to drain due to tectonic movement. In June 1690, a massive earthquake opened a bedrock fault, forming a rift or a graben that permitted the water to flow into the Rio Branco. By the early 19th century it had dried up completely