Balkan Museum - Balkanski Muzej
I will
present historical artifact find by myself on different sources
in area of former prehistoric area of Illyricum
and present Balkan countries
How this become a BALL from ancient mythology to cosmic plasma discharge we know today.
PLASMA SPHERES ON EARTH SURFACE
Moqui Marbles' Formed in Groundwater in
Utah's National Parks
From web page http://www.universetoday.com/am/publish/earth_blueberries_too.html
Earth Has Blueberries Too
Summary - (Jun 17, 2004) NASA scientists coined the term "blueberries" to describe the tiny hematite balls found on Mars by Spirit and Opportunity over the last few months - it was one of the most powerful pieces of evidence that liquid water once flowed across the surface of Mars. Researchers from the University of Utah had a hunch these hematite concretions would turn up on the Red Planet, since there are similar conditions in Utah's national parks. The geologists believe the blueberries on Earth were formed 25 million years ago when minerals precipitated from groundwater flowing through sandstone.
Marble-like rocks known as hematite concretions litter the surface of Navajo sandstone at Grand Staircase-Escalante National Monument in southern Utah. The rocks accumulated after softer surrounding sandstone eroded away. They are similar to the so-called "blueberries" found on Mars by NASA's Opportunity rover. Credit: Brenda Beitler, University of Utah. Image credit: University of Utah
Even before marble-shaped pebbles nicknamed
"blueberries" were discovered on Mars by the Opportunity rover, University of
Utah geologists studied similar rocks in Utah's national parks and predicted such stones
would be found on the Red Planet.
In a study published in the June 17 issue of the journal Nature, the Utah researchers
suggest both the Martian and Utah rocks - known as hematite concretions - formed
underground when minerals precipitated from flowing groundwater.
"We came up with the 'recipe' for blueberries," says Marjorie Chan, chair and
professor of geology and geophysics at the University of Utah. "Before Opportunity
landed, we thought there might be hematite concretions on Mars. That was based on our
study of hematite-rich regions of southern Utah, where hematite balls are found in
national parks and have long been a geological oddity that shows up in many rock
shops."
The round rocks are found in southern Utah in Zion and Capitol Reef national parks, Grand
Staircase-Escalante National Monument, Snow Canyon State Park and the Moab area.
Their diameters range from one-25th of an inch to 8 inches or more. They are known to New
Agers as "moqui marbles." Some are the size of small blueberries like those on
Mars.
Chan and her colleagues believe the Utah concretions formed perhaps 25 million years ago
when minerals precipitated from groundwater flowing through much older Navajo sandstone,
the spectacular red rock in southern Utah.
The National Aeronautics and Space Administration's Opportunity robot rover vehicle landed
on Mars' Meridiani Planum on Jan. 25. Five days later, it detected hematite within gray
pebbles dotting the landing site, and such pebbles later were spotted embedded in a rock
outcrop. Cornell University scientist Steve Squyres, who heads the Opportunity science
team, said Feb. 9 the small spheres look "like blueberries in a muffin" and
might be concretions.
In their Nature paper, Chan and colleagues say the Martian "blueberries" may
have formed in a similar manner to those in Utah, namely, when significant volumes of
groundwater flowed through permeable rock, and chemical reactions triggered minerals to
precipitate and start forming a layered, spherical ball.
"Given the similarities between the marbles in Utah and on Mars, additional
scientific scrutiny of the Utah concretions and how they form will probably shed further
light on the similar phenomenon on Mars," University of Washington scientist David
Catling wrote in a Nature commentary accompanying the University of Utah study.
The concretions may bear on the search for evidence of past life on Mars because bacteria
on Earth can make concretions form more quickly. Chan and colleagues plan to analyze
whether there is evidence of past microbial activity in Utah concretions.
Chan conducted the new study with geology graduate student Brenda Beitler and emeritus
professor of geology Bill Parry, both at the University of Utah; geologist Jens Ormo of
the National Institute of Aerospace Technology in Madrid, Spain; and planetary scientist
Goro Komatsu of the International Research School of Planetary Sciences at G. d'Annunzio
University in Pescara, Italy.
Martian blueberries and marbles of the spirits
The Utah and Mars hematite concretions have similarities and differences.
In Utah and likely on Mars, "you have rocks that had iron in them originally,"
says Beitler. "Fluids travel through these rocks and leach out the iron. The water
moves through cracks, holes, layers or pores until it reaches some place where the
chemistry is different and causes the iron to precipitate out of the water as
hematite."
A major difference is that the Martian "blueberries" probably are pure hematite
- a form of iron oxide that is gray because it has a larger crystal structure than the
reddish form of iron oxide, commonly known as rust. The Utah concretions are mostly
sandstone, cemented by hematite that makes up a few percent to perhaps one-third of the
rock. The Martian concretions likely precipitated from acidic groundwater. Those in Utah
precipitated when hydrocarbon-rich, briny fluids encountered oxygen-rich groundwater.
After the Utah concretions formed in groundwater, the surrounding Navajo sandstone slowly
eroded away over millions of years, so the hard, erosion-resistant concretions accumulated
on the ground, often in great numbers.
"The loose Utah concretions roll like marbles into depressions, forming 'puddles,'
just like their Martian counterparts," Catling wrote. "The Hopi Indians have a
legend that 'moqui,' or spirits of their ancestors, played games of marbles with the
hematite concretions in the American southwest. Although anthropologists discourage use of
the word 'moqui' to be respectful to Native Americans, New Age gem collectors sell
concretions as 'moqui marbles' and claim that they are endowed with metaphysical
powers."
Hematite, water and life
In 1998, the Mars Global Surveyor orbiting Mars detected what appeared to be a large area
of hematite on Meridiani Planum. The broad plain was picked as Opportunity's landing site
because scientists wanted to study the hematite, which almost always forms in water.
Scientists are interested in whether water once existed on Mars (or now exists beneath its
surface) because water is necessary for life - and the possibility of life beyond Earth is
one of the great questions long pondered by humanity.
"On Earth, whenever we find water, we find life - in surface water or underground
water, hot water or cold water - any place there is water on Earth there are microbes,
there is life," says study co-author Bill Parry. "That's the bottom line:
hematite is linked to life."
While other evidence from Opportunity suggests there once may have been standing water on
Meridiani Planum, the Utah team's study strongly indicates the Martian
"blueberries" probably formed in groundwater and not in surface water.
"The 'blueberries' easily could have formed in groundwater before there was standing
water, if that did exist," Chan says.
Other scientists previously offered various explanations for Meridiani Planum's hematite,
including that the mineral precipitated in large lakes or in hot springs when Mars'
ancient volcanoes were active, or that hematite was left when water leached away other
minerals, or that it formed when volcanic ash deposits were altered chemically.
Like Southern Utah, Like Mars
Chan says her team long suspected concretions like those in Utah might be found on Mars.
The idea first was suggested by Ormo and Komatsu in a 2003 scientific abstract that got
little if any attention. Ormo contacted Chan in spring 2003 and they started
collaborating.
The researchers completed a much broader but yet-unpublished study last year indicating
that several geological features were seen both in aerial photos of southern Utah's
hematite-rich areas and in images of Mars' hematite regions taken by orbiting spacecraft.
These features include large rocky landforms shaped like knobs, pipes and buttes, and
places where bleached-looking rock forms white sediment beds or ring-shapes on the
surface. Some of the pipes and other features are tens of yards long or wide.
The geologists determined the processes responsible for these large-scale features in Utah
involved the flow of briny groundwater saturated with natural gas that bleaches sandstone,
and that such groundwater flow, the precipitation of hard hematite-cemented rock and the
later erosion of surrounding softer rock also would explain the formation of the
erosion-resistant pipes, buttes, knobs and concretions. They concluded a similar process
could have formed concretions and larger landforms on Mars.
Chan says studying concretions from Utah and Mars "will help us learn more about the
history of Mars. When we have something to compare it to, it's a lot easier to figure
out."
From web page http://www.utah.edu/unews/releases/04/jun/marsmarbles.html
University of Utah geologists say marble-shaped rocks known as concretions from Utah (left) formed millions of years ago in groundwater-soaked rocks, providing clues to the origin of similar concretions or so-called "blueberries" (right) discovered on Mars by NASA's Opportunity rover. The Utah concretions shown on the left range in diameter from one twenty-fifth of an inch to 2 inches, while the Martian versions on the right all measure less than one-fifth of an inch in diameter. (Scale of photos is different.)
Right image by NASA-Jet Propulsion Laboratory-Cornell University.
University of Utah geologists
say marble-shaped rocks known as concretions from Utah (left) formed millions of years ago
in groundwater-soaked rocks, providing clues to the origin of similar concretions or
so-called "blueberries" (right) discovered on Mars by NASA's Opportunity rover.
The Utah concretions shown on the left range in diameter from one twenty-fifth of an inch
to 2 inches, while the Martian versions on the right all measure less than one-fifth of an
inch in diameter. Credit: Left image by Marjorie Chan and Brenda Beitler, University of
Utah.
June 16, 2004 -- Even before marble-shaped
pebbles nicknamed "blueberries" were discovered on Mars by the Opportunity
rover, University of Utah geologists studied similar rocks in Utah's national parks and
predicted such stones would be found on the Red Planet.
In a study published in the June 17 issue of the journal Nature, the Utah
researchers suggest both the Martian and Utah rocks - known as hematite concretions -
formed underground when minerals precipitated from flowing groundwater.
"We came up with the 'recipe' for blueberries," says Marjorie Chan, chair and
professor of geology and geophysics at the University of Utah. "Before Opportunity
landed, we thought there might be hematite concretions on Mars. That was based on our
study of hematite-rich regions of southern Utah, where hematite balls are found in
national parks and have long been a geological oddity that shows up in many rock
shops."
The round rocks are found in southern Utah in Zion and Capitol Reef national parks, Grand
Staircase-Escalante National Monument, Snow Canyon State Park and the Moab area.
Their diameters range from one-25th of an inch to 8 inches or more. They are known to New
Agers as "moqui marbles." Some are the size of small blueberries like those on
Mars.
Chan and her colleagues believe the Utah concretions formed perhaps 25 million years ago
when minerals precipitated from groundwater flowing through much older Navajo sandstone,
the spectacular red rock in southern Utah.
The National Aeronautics and Space Administration's Opportunity robot rover vehicle landed
on Mars' Meridiani Planum on Jan. 25. Five days later, it detected hematite within gray
pebbles dotting the landing site, and such pebbles later were spotted embedded in a rock
outcrop. Cornell University scientist Steve Squyres, who heads the Opportunity science
team, said Feb. 9 the small spheres look "like blueberries in a muffin" and
might be concretions.
In their Nature paper, Chan and colleagues say the Martian
"blueberries" may have formed in a similar manner to those in Utah, namely, when
significant volumes of groundwater flowed through permeable rock, and chemical reactions
triggered minerals to precipitate and start forming a layered, spherical ball.
"Given the similarities between the marbles in Utah and on Mars, additional
scientific scrutiny of the Utah concretions and how they form will probably shed further
light on the similar phenomenon on Mars," University of Washington scientist David
Catling wrote in a Nature commentary accompanying the University of Utah study.
The concretions may bear on the search for evidence of past life on Mars because bacteria
on Earth can make concretions form more quickly. Chan and colleagues plan to analyze
whether there is evidence of past microbial activity in Utah concretions.
Chan conducted the new study with geology graduate student Brenda Beitler and emeritus
professor of geology Bill Parry, both at the University of Utah; geologist Jens Ormo of
the National Institute of Aerospace Technology in Madrid, Spain; and planetary scientist
Goro Komatsu of the International Research School of Planetary Sciences at G. d'Annunzio
University in Pescara, Italy.
Martian blueberries and marbles of the spirits
The Utah and Mars hematite concretions have similarities and differences.
In Utah and likely on Mars, "you have rocks that had iron in them originally,"
says Beitler. "Fluids travel through these rocks and leach out the iron. The water
moves through cracks, holes, layers or pores until it reaches some place where the
chemistry is different and causes the iron to precipitate out of the water as
hematite."
A major difference is that the Martian "blueberries" probably are pure hematite
- a form of iron oxide that is gray because it has a larger crystal structure than the
reddish form of iron oxide, commonly known as rust. The Utah concretions are mostly
sandstone, cemented by hematite that makes up a few percent to perhaps one-third of the
rock. The Martian concretions likely precipitated from acidic groundwater. Those in Utah
precipitated when hydrocarbon-rich, briny fluids encountered oxygen-rich groundwater.
After the Utah concretions formed in groundwater, the surrounding Navajo sandstone slowly
eroded away over millions of years, so the hard, erosion-resistant concretions accumulated
on the ground, often in great numbers.
"The loose Utah concretions roll like marbles into depressions, forming 'puddles,'
just like their Martian counterparts," Catling wrote. "The Hopi Indians have a
legend that 'moqui,' or spirits of their ancestors, played games of marbles with the
hematite concretions in the American southwest. Although anthropologists discourage use of
the word 'moqui' to be respectful to Native Americans, New Age gem collectors sell
concretions as 'moqui marbles' and claim that they are endowed with metaphysical
powers."
Hematite, water and life
In 1998, the Mars Global Surveyor orbiting Mars detected what appeared to be a large area
of hematite on Meridiani Planum. The broad plain was picked as Opportunity's landing site
because scientists wanted to study the hematite, which almost always forms in water.
Scientists are interested in whether water once existed on Mars (or now exists beneath its
surface) because water is necessary for life - and the possibility of life beyond Earth is
one of the great questions long pondered by humanity.
"On Earth, whenever we find water, we find life - in surface water or underground
water, hot water or cold water - any place there is water on Earth there are microbes,
there is life," says study co-author Bill Parry. "That's the bottom line:
hematite is linked to life."
While other evidence from Opportunity suggests there once may have been standing water on
Meridiani Planum, the Utah team's study strongly indicates the Martian
"blueberries" probably formed in groundwater and not in surface water.
"The 'blueberries' easily could have formed in groundwater before there was standing
water, if that did exist," Chan says.
Other scientists previously offered various explanations for Meridiani Planum's hematite,
including that the mineral precipitated in large lakes or in hot springs when Mars'
ancient volcanoes were active, or that hematite was left when water leached away other
minerals, or that it formed when volcanic ash deposits were altered chemically.
Closeup of hematite concretions from Grand Staircase-Escalante National Monument in southern Utah. University of Utah geologists say the mostly round rocks formed millions of years ago underground in porous, water-soaked sandstone, and may provide clues to similar stones found on Mars by the Opportunity rover. Credit: Brenda Beitler, University of Utah.
Like Southern Utah, Like Mars
Chan says her team long suspected concretions like those in Utah might be found on Mars.
The idea first was suggested by Ormo and Komatsu in a 2003 scientific abstract that got
little if any attention. Ormo contacted Chan in spring 2003 and they started
collaborating.
The researchers completed a much broader but yet-unpublished study last year indicating
that several geological features were seen both in aerial photos of southern Utah's
hematite-rich areas and in images of Mars' hematite regions taken by orbiting spacecraft.
These features include large rocky landforms shaped like knobs, pipes and buttes, and
places where bleached-looking rock forms white sediment beds or ring-shapes on the
surface. Some of the pipes and other features are tens of yards long or wide.
The geologists determined the processes responsible for these large-scale features in Utah
involved the flow of briny groundwater saturated with natural gas that bleaches sandstone,
and that such groundwater flow, the precipitation of hard hematite-cemented rock and the
later erosion of surrounding softer rock also would explain the formation of the
erosion-resistant pipes, buttes, knobs and concretions. They concluded a similar process
could have formed concretions and larger landforms on Mars.
Chan says studying concretions from Utah and Mars "will help us learn more about the
history of Mars. When we have something to compare it to, it's a lot easier to figure
out."
PAŽNJA SVIM KORISNICIMA OVOG MATERIJALA, SVE STO JE NAPISANO I SVI CRTEŽI SU COPYRIGHT
Copyright C 1952-2005. All rights reserved. Rudolf Bosnjak.