earthplatform.com

Results 1 - 10 from 36 for volcanic glass in 0.556 sec.

Green Home Building: Natural Building Techniques: Lightweight Concrete
They are porous, froth-like volcanic glass which come in various colors and are found in the Western United States. Concrete made ... has been used in constructing buildings for many years. It is simply concrete that uses crushed volcanic rock as an aggregate rather than conventional sand and gravel. Both pumice and scoria, when ...
greenhomebuilding.com

How We Use Cores for Research, Lamont-Doherty Earth Observatory Deep-Sea Sample Repository
Deep-sea sediments contain microscopic fossils of marine animals, volcanic glass, sands and minerals originally from land (terrigenous material), cosmic material (microtektites), and other unusual ... cores today. One way cores can tell a story about climate is by using minerals, volcanic glass, and microfossils that are in the layers of sediment. Find out what four of ...
www.ldeo.columbia.edu

Mount Diablo Interpretive Association - Pliocene Park
San Joaquin Sea, looking up curiously to the opposite western shore whenever the volcano (at a spot we now call Round Top in the Berkeley Hills) poured forth ash and lava. The pebbles of black volcanic glass called obsidian may have washed up on the eastern coast from that source. Moving forward in time just a few million years, we ...
mdia.org

MBARI - Alice Davis
Submarine pyroclastic deposits (at Loihi, North Arch, mid-ocean ridges, California seamounts) Microbial influence on volcanic glass alteration Selected publications Clague, D.A., J.B. Paduan, W.C. McIntosh, B.L. ... . 26, p.385-480. Davis, A.S. ,Bohrson, W.A., and Siems, D.F., 1996, Volcanic rocks from Rocas Alijos, Baja California, Mexico. in R. Schmieder (ed.) Rocas Alijos: Monographiae Biologicae, ...
mbari.org

NGDC/MGG-Related External References
Marine and Coastal Sciences Scripps Institution of Oceanography (SIO) SIO Oceanographic Collections SIO Geological Data Center (underway geophysics) SESAR Solid Earth Sample Registry Smithsonian Institution Volcanic Glass Data File SOEST Data Center (includes GMT software) Ship Schedules Skidaway Institute of Oceanography Texas AandM University US Geological Survey Coastal and Marine Geology ...
www.ngdc.noaa.gov

Letters to Montana Senators Baucus and Tester and Governor Schweitzer re Snowcoaches in Yellowstone NP | The Coalition of National Park Service Retirees
Yellowstone's obsidian or ``volcanic glass,'' the hair and fur of various animals and other objects, providing visitors with a more meaningful and memorable understanding of Yellowstone National Park. We are also aware that some are working on ways to more ...
npsretirees.org

Freshwater Website: Informational Resources and Services (Glossary)
J jkulhlaup - Destructive flood that occurs as the result of the rapid ablation of ice by volcanic activity beneath the ice of a large glacier. K kilowatt (kW) - A unit of electrical power equal ... the zone of saturation; also the amount of water added. recyclable - Refers to such products as paper, glass, plastic, used oil, and metals that can be reprocessed instead of being disposed of as waste. ...
www.ec.gc.ca

Sourcebook Earth Guidelines
Chemical Soil Stabilization Lime, portland cement, and pozzolan (high silica volcanic ash) can be used as chemical additives. Lime is most effective on clay soils, and can ... designing forms. A variety of materials can be used for forms, including wood, aluminum, steel, or glass fiber. Systems for keeping form work in position vary. Small clamps adapted from concrete form work ...
www.greenbuilder.com

Natural Remedies and Household Cleaners
It also can act as a water repellant. Lemon, Lime, or Grapefruit Juice - Antibacterial, acidic, and smell great. Natural sponges. Olive & Carnauba Oils - Wood cleaners. Pineapple Potato Pumice - Ground volcanic rock. Abrasive. Pure Unscented Bulk Castile Soap Spray Bottle Whisk broom with natural bristles. White Vinegar - Choose one that is made from grains, like Heinz vinegar. Many others are ...
ecolivingcenter.com

VOLCANIC PRODUCTS
June 1986 eruptions. The mineralogy of the first three groups is similar and broadly andesitic in composition. Mineralogy of the Tacan volcanic rocks. Surficial Lava and Dome Rocks The lavas are two-pyroxene andesites. This andesite is hypocrystalline, containing some glass in the groundmass. It shows a porphyritic texture, with phenocrysts of plagioclase (average: An 40), clino- and orthpyroxene ...
www.geo.mtu.edu