Archaeology
Remains of quarantine hospital found on submerged island
Underwater archaeologists have discovered the remains of a quarantine hospital on a submerged island in the Dry Tortugas National Park.
The submerged island is located near Fort Jefferson on the island of Garden Key, where U.S. soldiers were stationed during the 19th century to protect shipping lanes that crossed between the Gulf Coast (including New Orleans, Mobile and Pensacola) and the eastern seaboard of the United States.
The submerged island was located during a survey, where the team found the quarantine hospital alongside a cemetery.
A study of historical records indicates that around a dozen individuals were buried in the cemetery, identified as the Fort Jefferson Post Cemetery. While most were burials of soldiers serving or imprisoned at the Fort, some of the burials were actually civilians, including John Greer, who was employed as a labourer and died in 1861.
The details surrounding his death are unclear, his grave, located during the survey, was prominently marked with a large slab of greywacke, the same material used to construct the first floor of Fort Jefferson. The slab was carved into the shape of a headstone and inscribed with his name and date of death.
“This intriguing find highlights the potential for untold stories in Dry Tortugas National Park, both above and below the water,” said Josh Marano, maritime archeologist for the south Florida national parks and project director for the survey. “Although much of the history of Fort Jefferson focuses on the fortification itself and some of its infamous prisoners, we are actively working to tell the stories of the enslaved people, women, children and civilian laborers.”
The historical record also describes how quarantine hospitals were built on the surrounding islands to treat cases of yellow fever as a result of several major outbreaks of the disease throughout the 1860s and 1870s.
Although the use of many of the quarantine hospitals on the surrounding islands ceased after Fort Jefferson was abandoned in 1873, the fort’s future use by the U.S. Marine Hospital Service between 1890 and 1900, again required the development of an isolation hospital on one of the keys which the team discovered on the submerged island.
This survey underscores how climate change is affecting resources in the Dry Tortugas. Although the facilities in question were constructed on solid ground, the islands’ dynamic conditions have led to their movement over time. Due to climate change and significant storm events, some islands have even sunk and eroded beneath the ocean’s surface.
Header Image Credit : C. Sproul
Archaeologists from the University of Tokyo have uncovered possible traces of the Villa of Augustus during excavations at Somma Vesuviana.
Somma Vesuviana is a town and commune in the Metropolitan City of Naples, Italy. During the Roman period, the area was a resort for rich patricians of Rome, or for rich estate owners who constructed large villa complexes.
Excavations in the Nola area during the 1930’s uncovered a large Roman villa interpreted as the Villa of Augustus, which has been subject to ongoing archaeological investigations since 2002.
The villa actually dates from the 2nd century AD, however, more recent studies have discovered traces of a building in a lower context that dates from around the reign of Augustus.
Image Credit : UTokyo Foundation
Gaius Julius Caesar Augustus (born Gaius Octavius), was Roman emperor from 27 BC until his death in AD 14. He is credited as being the founder of the Roman Empire and the Principate system of government which lasted until the Crisis of the Third Century.
According to accounts by Tacitus and Suetonius, Augustus died in a villa located on the northern side of Mount Vesuvius, which was later consecrated as a temple for his Imperial cult.
Archaeologists used radiocarbon dating and a physical and chemical analysis of the volcanic pumice layers covering the earlier building, the results of which confirmed that the building predates the Vesuvian eruption in AD 79 which destroyed Pompeii and Herculaneum.
The eruption released a deadly cloud of super-heated tephra and gases to a height of 33 km, ejecting molten rock, pulverised pumice, and hot ash at 1.5 million tons per second. Excavations within the building have uncovered pieces of walls and roof tiles that collapsed due to pyroclastic flows as the volcanic material travelled down the northern side of the volcano.
According to a press statement by the University of Tokyo: “This suggests that even the northern foothills of Mount Vesuvius, where the effects of the AD 79 eruption were said to have been less severe than the southeastern region of the mountain, were also affected by the eruption with destructive power.”
To further support the supposition of the building being the Villa of Augustus, the team conducted the same physical and chemical dating of volcanic material on adjacent buildings associated with the early villa complex.
Furthermore, radiocarbon dating of charcoal collected from the ruins of a “kiln”-like structure has dated the material to the early 1st century AD. The discovery of 1st century AD amphorae within the ruins indicate that the “kiln”-like structure was later converted into a warehouse before the eruption.
Studies of the 2nd century building has also revealed that it reused architectural features from the earlier building, demonstrating a transition from “disaster” to “reconstruction” in the area around Mount Vesuvius.
Header Image Credit : UTokyo Foundation
Sources : University of Tokyo
This content was originally published on www.heritagedaily.com – © 2023 – HeritageDaily
Underwater archaeologists from Södertörn University, in collaboration with the CEMAS/Institute for Archaeology and Ancient Culture at Stockholm University, have conducted an investigation of the wreck of the royal flagship Gribshunden.
A diving club first discovered the wreck in the 1970’s at a depth of 10 m (33 ft), but unaware of the significance, the identity of the wreck wouldn’t be confirmed until 2013.
The wreck is internationally significant as the world’s best-preserved ship from the Age of Exploration – a proxy for the vessels of Christopher Columbus and Vasco da Gama.
The Gribshunden was the flagship of Hans (John), King of Denmark, which after a large explosion in 1495, sank at anchor near the town of Ronneby, Sweden.
The ship was enroute to Kalmar from Copenhagen and was carrying the king for a summit with the Swedish council. At the time of the explosion, the king was ashore and suffered no injury, however, one contemporary account records 150 crewman dying in the tragic accident.
The Gribshunden sunk to a depth of just ten metres, meaning that the rigging was still above the water level and was partially accessible. Salvers boarded the ship and used rudimentary diving equipment to salvage some of the high-status belongings of the king and retinue.
Underwater archaeologists have recently conducted a non-intrusive survey of the wreck site using photography and 3D photogrammetry. This has provided new data for a digital reconstruction of the wreck and further insights into the ship’s superstructure.
Furthermore, the survey has provided details into the armaments still onboard and the present state of preservation of the timbers from the wreck structure.
According to a paper on the study: “The main focus of the investigation concerned the ship’s superstructure, and it can be stated that there are a large number of timbers and building parts which, after further reconstruction and interpretation, will give a more detailed picture of the ship’s superstructure”.
Header Image Credit : Rolf Fabricius Warming
Sources : Stockholms universitet
This content was originally published on www.heritagedaily.com – © 2023 – HeritageDaily
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