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Photo ID: h0wn7p	Subject: Landslides	Description
	Erosional Processes; Geologic Hazards; Geomorphology; Mass Movements; Mass Wasting; Slope Stability	Landslides cover the access road to a tunnel that leads to the underground valve chamber of Nilo Pecanha power plant in Brazil. In the upper left, one such slide has cut to within a meter of the base of one of the transmission tower's foundation. The oversteepened valley walls threaten further slides.
	Photographer	Location
	USGS Credit Line: Courtesy United States Geological Survey	South America; Brazil
Photo Quality \| Large	Available for Commercial Use

Photo ID: h0wn9p	Subject: Surface Processes	Description
	Erosional Processes; Geologic Hazards; Geomorphology; Mass Movement; Mass Wasting; Slumping	Landslides and erosion have caused this unusually shaped opening near the foot of a large landslide that covers and old access road near the Nilo Pecanha power plant. All the material flowed out through a narrow channel 6 feet deep.
	Photographer	Location
	USGS Credit Line: Courtesy United States Geological Survey	South America; Brazil
Photo Quality \| Large

Photo ID: h32lmc	Subject: Minerals	Description
	Borosilicates; Crystals; Cyclosilicates; Gems; Hexagonal; Mineralogy; Ring Silicate; Silicates	Tourmaline sample.
	Photographer	Location
	USGS Credit Line: Courtesy United States Geological Survey	South America; Brazil
Photo Quality \| Large	Available for Commercial Use

Photo ID: h4vsf3	Subject: Satellite Imagery	Description
	Atmosphere; Clouds; Hydrologic Cycle; Hydrosphere; Meteorology; Moisture; Rain; Storms; Thunderstorms; Weather	This photograph from 1984, shows a series of mature thunderstorms near the Parana River in southern Brazil. Large thunderstorms are commonplace in this region with warm temperatures and moisture-laden air. A number of overshooting tops and anvil clouds are visible at the tops of the clouds.
	Photographer	Location
	NASAVE Credit Line: Courtesy NASA, Visible Earth	South America; Brazil; Parana; Parana River
Photo Quality \| Large	Available for Commercial Use

Photo ID: h4w169	Subject: Oceans	Description
	Depositional Environment; Photogeology; Phytoplankton Blooms; Plumes; Remote Sensing; Satellite Imagery; Sediment Supply; Sediment Transport; Sedimentation; Sediments	A large sediment plume can be seen flowing down the western edge of Lagoa dos Patos and out to sea through the inlet by Rio Grande in southernmost Brazil. Phytoplankton blooms seen offshore my be partly supported by nutrients contained in the turbid runoff. Also visible in this SeaWiFS image are Lagoa Mirim, Lagoa Mangueira, and Laguna Negra (in Uruguay).
	Photographer	Location
	NASAVE Credit Line: Courtesy NASA, Visible Earth	South America; Brazil; Rio Grande Do Sul; Lagoa dos Patos
Photo Quality \| Large	Available for Commercial Use

Photo ID: h4w1zs	Subject: Satellite Imagery	Description
	Conservation; Deforestation; Ecology; Forests; Land Use; Photogeology; Remote Sensing	This high-resolution image of Amazonia shows farms cleared from the jungle spreading out on either side of a narrow dirt road. Above and to the right of the river that bisects the image is almost unbroken forest. The river, a tributary of the Amazon, is colored brown by the large amount of sediment it carries, possibly the result of deforestation upstream. The image, centered near 10 degrees south, 62 degrees West, was acquired for the Large Scale Biosphere-Atmosphere Experiment in Amazonia (LBA), an intensive field campaign in which scientists are studying the environment of Amazonia, the role of Amazonia in global climate, and the effects of human-caused change in the region.
	Photographer	Location
	NASAVE Credit Line: Courtesy NASA, Visible Earth	South America; Brazil; Rondonia; Amazonia
Photo Quality \| Large	Available for Commercial Use

Photo ID: h4w2rl	Subject: Satellite Imagery	Description
	Depositional Environment; Fluvial Environment; Photogeology; Phytoplankton Blooms; Remote Sensing; Rivers; Sediment Plumes; Sediment Supply; Sediment Transport; Sedimentation; Sediments	Flowing more than 6,450 kilometers (4,000 miles) eastward across Brazil, the Amazon River originates in the Peruvian Andes as tiny mountain streams that eventually combine to form one of the world's mightiest rivers. This image of the Amazon's mouth was captured on September 8, 2000, and is approximately 380 kilometers (235 miles) in width. While the Amazon is surpassed in length by the Nile, it carries the largest volume of freshwater in the world, accounting for nearly 20 percent of the Earth's discharge into the oceans. Millions of cubic feet of water empty into the Atlantic every second, and the effluent is transported across very large distances from shore.
	Photographer	Location
	NASAVE Credit Line: Courtesy NASA, Visible Earth	South America; Brazil; Amazon River
Photo Quality \| Large	Available for Commercial Use

Photo ID: h5h7bt	Subject: Satellite Imagery	Description
	Brazil Current; Currents; Malvinas Current; Ocean Circulation; Ocean Currents; Photogeology; Remote Sensing; Upwellings	The bright waters off the east coast of Argentina mark the convergence of the Malvinas and Brazil currents. The interaction of the two currents brings nutrients from the dark ocean depths to the sunlit surface, resulting in dense blooms of phytoplankton, especially in the spring and early summer. The Sea-viewing Wide Field-of-view Sensor (SeaWiFS) imaged the area on November 29, 2001.
	Photographer	Location
	NASAVE Credit Line: Courtesy NASA, Visible Earth	South America; Argentina; Offshore
Photo Quality \| Large	Available for Commercial Use

Photo ID: hc2ch4	Subject: Minerals	Description
	Aluminum Silicate; Crystals; Mineralogy; Neosilicates; Silicates; Triclinic	Kyanite crystals on Quartz.
	Photographer	Location
	Stonetrust Credit Line: Copyright © StoneTrust, Inc.	South America; Brazil
Photo Quality \| Large	Available for Commercial Use

Photo ID: hc2ctn	Subject: Minerals	Description
	Aluminum Silicate; Crystals; Mineralogy; Neosilicates; Silicates; Triclinic	Kyanite on quartz matrix.
	Photographer	Location
	Stonetrust Credit Line: Copyright © StoneTrust, Inc.	South America; Brazil; Sudeste
Photo Quality \| Large	Available for Commercial Use

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