Seismic Data Will Help Enable Earth Science Research

SAN RAMON, Calif. More information on
ChevronTexaco is available at chevrontexaco.
This study demonstrates the GCMs accurately represent the long-range
transport of pollutants, such as those from Southern Asia to the Arctic, that
were observed from aircraft.

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"This research offers additional evidence black carbon, generated through
the process of incomplete combustion, may have a significant warming impact on
the Arctic," Koch said. We feel that we can now plan for an aggressive
program for the upcoming 2005 field season.

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S. continental shelf
for oil and gas.
The research found in the atmosphere over the Arctic, about one-third of
the soot comes from South Asia, one-third from burning biomass or vegetation
around the world, and the remainder from Russia, Europe and North America.

Liberty Star Plans Aggressive 2005 Field Season

Results of the
scout drilling on the White Sox target were encouraging (see NR-10)
and have given a direction toward the suspected center of porphyry
mineralization. These statements involve known and
unknown risks and uncertainties and other factors that may cause the
actual results to be materially different from the results implied
herein.

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wr. Likely causes for
these trends include changing weather patterns and the effects of pollution.
NASA sponsored efforts using satellite data and models to assess polar
feedbacks constitute an important contribution to the U. (the "Company"), (OTCBB:LBTS) is pleased to announce plans for
an aggressive 2005 field season. IP
ground electrical surveys will continue for the entire season until
fall freeze up.

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gov/NAMSS/). By exploring processes in the Earth's atmosphere , NASA
scientists are seeking answers to how pollutants like soot are changing the
climate of the world around us.gov

The effort will be directed primarily
at defining a resource at White Sox and scout drilling at many other
anomalies that are being defined as a result of work during the 2004
field season. The main thrust will be
drilling with the objective of defining a mineral resource on the
White Sox target. Forward-looking
statements in this press release include our company aggressively
exploring our property, drilling to define a mineral resource, mineral
and vegetation sampling, conducting IP and aeromagnetic surveys, and
interpreting the data gathered.

determinations paleoclimatology

S.
South Asia is estimated to have the largest industrial soot emissions in
the world, and the meteorology in that region readily lofts pollution into the
upper atmosphere where it is transported to the North Pole.
Readers are cautioned not to place undue reliance on the
forward-looking statements made in this Press Release, and should
refer to the risk disclosure of other junior mining exploration
companies filed on Edgar to see the types of risks that companies like
ours are subject to.

bice paleogeography

, ChevronTexaco Corp. Bill Kempner, a geophysicist for
ChevronTexaco in Bakersfield, California teamed up with Jon Childs, a
geophysicist at the USGS, Menlo Park, California, and Christopher Keane,
Director of Technology and Communications at the American Geological Institute
to come up with a plan to preserve the data and move it into the public domain
for future educational and scientific use. Koch and Hansen suggest Southern Asia also makes
the greatest contribution to soot deposited on Greenland .nasa. The numerous anomalies identified by the detailed
aeromag survey and the detailed geochemical survey of 2004 will be
more closely defined by the IP method.
We have signed contracts in place for contractors to provide all
outside services.

ON BEHALF OF THE BOARD OF DIRECTORS
"James A.

molinari mesozoic

S. Geological Survey
(USGS) to place the data in a newly created repository called the "National
Archive of Marine Seismic Surveys" (NAMSS) enabling academic, government and
industrial researchers , marine geologists and environmental engineers
throughout the world to have easy access to the data through a website created
by the USGS office (www//walrus.
Beginning in the early 1960s ChevronTexaco acquired seismic data to image
and evaluate the geologic potential of the west coast U. satellites
to study many environmental factors such as ice cover and temperature.
For more information and images related to this story on the Internet,
visit:

http://www.----Liberty Star Gold
Corp.

permian gaim

In conjunction, AGI has partnered with the U. The data needs to be transferred to a new
digital recording medium to preserve this unique, irreplaceable asset,
otherwise it will be permanently lost," said Dr.
Koch and Hansen's results suggest a possible mechanism behind the
satellite -derived observations of Arctic climate change. Meanwhile, the
pollution from Europe and Russia travels closer to the surface. Geochemical information is still being processed and
interpreted but preliminary results are meaningful and very
encouraging (NR-11).

transect tributaries

With
more than 47,000 employees, ChevronTexaco conducts business in approximately
180 countries around the world, producing and transporting crude oil and
natural gas, and refining, marketing and distributing fuels and other energy
products . Additional geochemical
sampling, using our highly successful vegetation sampling technique,
will be used to more closely define identified anomalies.

The science of representing the earth's geographic features througth the geological times.

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nasa.

paleogeography tectonic

"Over the decades, the magnetic tapes containing the seismic data have
been stored in special warehouses but they are rapidly approaching the point
where they will no longer be viable.
This data transfer came about through the cooperative efforts of
ChevronTexaco, the USGS, and AGI.

NASA Study Finds Soot May Be Changing the Arctic Environment

WASHINGTON, NASA continues to explore the impact
of black carbon or soot on the Earth's climate . It is
anticipated that a second drill will be mobilized later in the season.

reconstructions pangea

New findings show soot may be
contributing to changes happening near the North Pole, such as accelerating
melting of sea ice and snow and changing atmospheric temperatures. The
GCM employs a lot of different data gathered by NASA and other U. Included will be 70 to 100 drill holes, four months of
IP ground electrical surveys and 3,000 additional geochemical samples.
Reduction and interpretation of the massive amounts of
geophysical, geologic and geochemical information collected on the Big
Chunk property is ongoing at Liberty Star Gold Corp.

coring quaternary

"The earth science research community is already showing a high level of
interest in gaining access to these offshore images. Geological Survey. The Big Chunk claims adjoin Northern
Dynasty's Pebble Project on the North border, forming a large donut
shape and adjoining their border to the Southeast.

bice determinations

(NYSE: CVX) and the American Geological Institute (AGI) today announced a
donation from ChevronTexaco to AGI of thousands of miles of historic 2D and 3D
seismic data covering offshore California and portions of the West Coast of
the U. Donald Paul, ChevronTexaco
vice president and chief technology officer. The plan is to begin the
initial transfer of more than 30,000 tapes immediately.
Dorothy Koch of Columbia University, New York, and NASA's Goddard
Institute for Space Studies (GISS), New York, and James Hansen of NASA GISS
are co-authors of the study that appeared in a recent issue of the Journal of
Geophysical Research.
The Arctic is especially susceptible to the impact of human-generated
particles and other pollution.
During the early 1980s the primary sources of Arctic particulate pollution
are believed to have been from Russia and Europe.

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Charles Groat, director, U. is one of the world's leading energy companies.

In recent years the Arctic has significantly
warmed, and sea-ice cover and glacial snow have diminished .S.gov/vision/earth/environment/arctic_soot.

gaim paleontological

S.usgs. NASA uses satellite data and
computer models that recreate the climate. Key factors that could cause actual results to differ
materially from those described in forward-looking statements are:
(i) the inability of the Company to obtain additional financing to
fund its planned geological exploration program;
(ii) the inability of the Company 's planned exploration program to
identify commercially exploitable mineralization on the Alaska mineral
claims;
(iii) the cost of completion of the Company's planned exploration
program
(iv) the potential that our data analysis is faulty or otherwise
misleading.

tectonic paleoclimatology

Briscoe"
President /Director

The Company currently holds 981 mineral claims, spanning 237
square miles centered 25 miles northwest of the village of Iliamna on
the north shore of Lake Iliamna..

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com.

About the American Geological Institute: The American Geological
Institute is a 501(c)(3) nonprofit federation of 43 geoscientific and
professional associations that represents more than 100,000 geologists ,
geophysicists, and other earth scientists. To receive USGS news
releases go to http://www.gov /public/list_server.html to subscribe. Those sources have
decreased substantially in the past two decades, but the computer simulations
indicate increasing emissions from South Asia have made up for some of the
reduced Eurasian pollution.S. Climate Change
Science Program.

paleontological sediments

usgs. This will involve additional scout drill holes
simultaneously with expansion of the existing IP survey, which will
commence as soon as the ground has thawed. These two
properties cover the entirety of the Big Chunk caldera, the volcanic-
intrusive feature thought to be the source of mineralization in the
area.

paleogeography paleoclimatology

ChevronTexaco Donates Seismic Data to American Geological Institute

The expectation is
that this data resource will enable years of geological and geophysical
research to expand our knowledge of the continental shelf area," said
Dr.
When soot falls on ice, it darkens the surface and accelerates melting by
increasing absorbed sunlight.html

For information about NASA and agency programs on the Web, visit:

http://www. As the target becomes more
defined , the scout drilling will transition into pattern drilling.
We are excited about the coming field season and anticipate
collection of a massive amount of meaningful data.

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Black carbon has been implicated as playing a role in melting ice and snow.

paleontological geosphere

Founded in 1948, AGI provides
information services to geoscientists, serves as a voice of shared interests
in our profession, plays a major role in strengthening geoscience education,
and strives to increase public awareness of the vital role the geosciences
play in society's use of resources and interaction with the environment. "Further, it means there may be immediate
consequences for Arctic ecosystems, and potentially long-term implications on
climate patterns for much of the globe," she added.

Forward-Looking Statements

This Press Release may contain, in addition, to historical
information, forward-looking statements within the meaning of Section
27A of the Securities Act of 1933, as amended, and Section 21E of the
Securities Exchange Act of 1934, as amended.

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About ChevronTexaco:
ChevronTexaco Corp. ChevronTexaco is based in San Ramon, Calif.

About the United States Geological Survey:
The USGS serves the nation by providing reliable scientific information
to: describe and understand the Earth; minimize loss of life and property
from natural disasters; manage water, biological, energy, and mineral
resources; and enhance and protect our quality of life. Airborne soot also warms the air and affects
weather patterns and clouds.

Business Editors

TUCSON, Ariz. As was done last
year, all data will be collected using computerized methods allowing
us to move more quickly , more accurately, more efficiently and at
lower per unit cost.

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"The data is a valuable resource for understanding the offshore structural
geology, marine sedimentation and even the mapping of the complex fault
systems associated with earthquakes, particularly in Southern California,"
said Stephen Testa, president, American Geological Institute. They found the
timing and location of Arctic warming and sea ice loss in the late 20th
century are consistent with a significant contribution from man-made tiny
particles of pollution, or aerosols.
Koch and Hansen used GISS' General Circulation Model (GCM) to investigate
the origins of Arctic soot by isolating various source regions and types. Scout
drilling will be performed on new anomalies thus defined.