From http://www.fedriades.com/
“…neither
her face nor hue went untransformed; Her breast heaved; Her wild heart
grew large with... passion. Taller to their eyes, sounding no longer
mortal, she prophesied what was inspired from The God breathing near,
uttering words not to be ignored,” wrote the poet Virgil, in his Aeneid
describing how the Delphian priestess (Pythia) prophecised in a frenzied
state of mind.
The high priestess at the Temple of
Apollo at Delphi, located on the slopes of Mount Parnassus was widely
credited for her prophecies inspired by the ancient Greek god of light,
sun and music. The Oracle of Delphi was established in the 8th-Century
B.C. and the last recorded response was given during 393 A.D. when the
emperor Theodosius I ordered pagan temples to cease operation.
During this period the Delphic Oracle
was the most prestigious and authoritative oracle among the Greeks.
Everyone, from rich warlords to common people, would pay enough to get
themselves a prophecy revealing the future and shaping their decisions
and way of life based on the visions of the Pythia, which were delivered
in a trance that most probably resulted from the inhaling of vapors
rising from a chasm in the rock of the adyton (Greek for
“inaccessible”).
Ancient Greek historian Plutarch (46-120
A.D.), who presided as high priest at Delphi for several years,
observed in his documents that the Pythia’s oracular powers appeared to
be associated with vapors from the Kerna spring waters that flowed under
the temple. These observations of Plutarch have triggered the interest
of scientists who conducted research over the years to determine the
true origins of the Oracle’s inspiration that brought delirium to the
local priestesses and made them talk in cryptic and rhymed language that
were open to various interpretations.
According to the ancient legend, the
hallucinative vapors were the breath of Python, the enemy of the
Olympian deity Apollo, who slew her and remade her former home and the
oracle his own. The body of the monster was buried deep under the Delphi
Oracle, also considered the Center of the Earth, and with each of the
breaths the Pythia would come one step closer to Apollo’s charisma of
telling the future.
Excavations based on Plutarch’s remarks
brought a team of French archaeologists directed by Théophile Homolle of
the Collège de France to the site of Delphi in 1892. The French team
focused their research on locating a hole in the ground, interpreting
Plutarch’s observations to the letter, and so they found no fissure and
no possible means for the production of fumes.
In 1904, Adolphe Paul Oppé published an
influential article, which made three crucial claims: no chasm or vapor
ever existed; no natural gas could create prophetic visions; and the
recorded incidents of a priestess undergoing violent and often deadly
reactions was inconsistent with the more customary reports. Oppé
explained away all the ancient testimony as being reports of gullible
travelers fooled by wily local guides who, Oppé believed, invented the
details of a chasm and a vapor in the first place. In accordance with
this definitive statement, scholars Frederick Poulson, E.R. Dodds,
Joseph Fontenrose and Saul Levin all stated that there were no vapors
and no chasm.
For the decades to follow, scientists
and scholars believed the ancient descriptions of a sacred, inspiring
soul to be fallacious. During 1950, French philhellene Pierre Amandry,
who had worked at Delphi and later directed the French excavations
there, concurred with Oppé’s pronouncements, claiming that gaseous
emissions were not even possible in a volcanic zone such as Delphi.
Neither Oppé nor Amandry were geologists, though, and no geologists had
been involved in the debate until then.
GAS FROM THE PAST
Subsequent re-examination of the French
excavations, however, has shown that this consensus may have been
mistaken. Broad (2007) demonstrates that a French photograph of the
excavated interior of the temple clearly depicts a springlike pool as
well as a number of small vertical fissures, indicating numerous
pathways by which vapors could enter the base of the temple.
During the 1980’s, the interdisciplinary
team of geologist Jelle Zeilinga de Boer, archaeologist John R. Hale,
forensic chemist Jeffrey P. Chanton and toxicologist Henry R. Spiller
investigated the site at Delphi using this photograph and other sources
as evidence, as part of a United Nations survey of all active faults in
Greece.
De Boer saw evidence of a fault line in
Delphi that lay under the ruined temple. During several expeditions,
they discovered two major fault lines, one lying north-south, the Kerna
fault, and the other lying east-west, the Delphic fault, which parallels
the shore of the Corinthian Gulf. The rift of the Gulf of Corinth is
one of the most geologically active sites on Earth; shifts there impose
immense strains on nearby fault lines, such as those below Delphi.
The two faults cross one another, and
they intersect right below where the adyton was probably located. (The
actual, original oracle chamber had been destroyed by the moving faults,
but there is strong structural evidence that indicates where it was
most likely located.)
They scientists also found evidence for
underground passages and chambers, and drains for spring water.
Additionally, they discovered at the site formations of travertine, a
form of calcite created when water flows through limestone and dissolves
calcium carbonate, which is later redeposited. Further investigation
revealed that deep beneath the Delphi region lies bituminous deposit,
rich in hydrocarbons and full of pitch, that has a petrochemical content
as high as 20%. Friction created by earthquakes heat the bituminous
layers resulting in vaporization of the hydrocarbons which rise to the
surface through small fissures in the rock.
De Boer’s research caused him to
speculate ethylene as a gas known to possess this sweet odor. Spiller
specified that inhalation of even a small amount of ethylene can cause
both benign trances and euphoric frenzied states. Other effects include
physical detachment, loss of inhibitions, the relieving of pain, and
rapidly changing moods without dulling consciousness. He also noted that
uncontrolled doses can cause confusion, agitation, delirium, and loss
of muscle coordination.
Anesthesiologist Isabella Herb found
that a dose of 20% ethylene gas administered to a subject was a
threshold. A dosage higher than 20% caused unconsciousness. With less
than 20% a trance was induced where the subject could sit up, hear
questions and answer them logically, although the tone of their voice
might be altered, their speech pattern could be changed, and they may
have lost some awareness of their hands and feet, (with some it was
possible to have poked a pin or pricked them with a knife and they would
not feel it).
When patients were removed from the area
where the gas accumulated they had no recollection of what had
happened, or what they had said. With a dosage of more than 20% the
patient lost control over the movement of their limbs and may thrash
wildly, groaning in strange voices, losing balance and frequently
repeatedly falling.
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