Images

A helicopter towing a large, cylindrical sensor will make low-level flights over parts of Cedar Rapids, Iowa, as part of a groundwater survey in May 2017.

The Colorado River in Grand Canyon taken from Grand Canyon Village, Arizona. 

A helicopter towing a large, cylindrical sensor will make low-level flights over parts of Cedar Rapids, Iowa, as part of a groundwater survey in May 2017.

Brown patches and brown stems show stress in this phagmites (roseau cane) stand in Pass A Loutre Wildlife Management Area, a tract of state-owned land in Louisiana's bird foot delta, where the Mississippi River meets the Gulf of Mexico. An ongoing phragmites was first discovered in spring 2017 and blamed on an invasive scale insect from Asia.

A helicopter towing a large, cylindrical sensor will make low-level flights over parts of Cedar Rapids, Iowa, as part of a groundwater survey in May 2017.

Some single-celled green algae in the desmid family are symmetrical, with two halves joined by a bridge containing the cell’s nucleus. USGS biologist Barry H. Rosen and colleagues have been sampling desmids in Florida’s Loxahatchee National Wildlife Refuge for more than a year.

USGS hydrologic technician measures floodwaters along Flat Creek near Jenkins, Missouri using an Acoustic Doppler Current Profiling instrument. 

USGS hydrologic technician Christopher Rowden verifies the accuracy of streamgage information at the Jacks Fork River at Eminence, Missouri.

This infographic displays the different minerals located in mobile devices. Included within this infographic are:

This image of the New Orleans/Lake Pontchartrain area in Louisiana was acquired March 31, 2017, from the Indian Space Research Organization’s Resourcesat-2 LISS-3 sensor. Land loss and hurricane hazards are key landscape issues here. 

Mineral: Silicon Carbide

Mineral Origin: Sample donated by Norton Company

Primary Commodity: Silica (abrasive)

Primary Commodity Uses: Just as their name implies, abrasives are used to abrade, clean, etch, grind, polish, scour, or otherwise remove material

Mineral: Alumina-Zirconia Abrasive

Mineral Origin: Manufactured in Huntsville, AL (Sample on loan from J.B. Hedrick)

Primary Commodity: Aluminum and zirconia

Primary Commodity Uses: This abrasive is primarily used in metal casting and the foundry process

Mineral: Molybdenite

Mineral Origin: Henderson Mine, Empire, CO

Primary Mineral Commodity: Molybdenum

Mineral: Tetrahedrite (a copper antimony sulfosalt)

Mineral Origin: Bingham Canyon, UT

Main Commodity: Silver

Mineral: Silicon Carbide

Mineral Origin: Sample donated by Norton Company

Primary Commodity: Silica (abrasive)

Primary Commodity Uses: Just as their name implies, abrasives are used to abrade, clean, etch, grind, polish, scour, or otherwise remove material

Mineral: Silicon Carbide

Mineral Origin: Sample donated by Norton Company

Primary Commodity: Silica (abrasive)

Primary Commodity Uses: Just as their name implies, abrasives are used to abrade, clean, etch, grind, polish, scour, or otherwise remove material

Mineral: Halite (NaCl)
Primary mineral Commodity: Salt

Mineral: Graphite (C) in pegmatite rock

Mineral Origin: Ticonderoga, NY

Primary Mineral Commodity: Graphite

Mineral Commodity Uses: brake linings, foundry operations, heat-resistant lubricants, refractory applications, and steelmaking

Mineral: Fluorite

Mineral Origin: Cave-in-Rock District, IL (Sample donated by H.B. Wood)

Primary Commodity: Fluorspar 

Mineral: Vanadinite

Mineral Origin: J.C. Holmes Claim, Patagonia, AZ (Sample donated by G. van Oss)

Primary Commodity: Vanadium

Mineral: Bastnaesite (the reddish parts) in Carbonatite

Mineral Origin: Mountain Pass, CA

Primary Commodity: Rare earth elements