Index to Marine and Lacustrine Geological Samples (IMLGS)
LDEO [Contact the Curator]
room temperature, dry
bulk weight = 11.34 kg
Round cobbles and pebbles composed of igneous ( basalt- greenstone) and sedimentary ( marl) rocks.
When you refer to individual samples/data in the IMLGS, please cite each source repository whose data you use.
More Information and how to cite the IMLGS:
Use the Interactive Map Interface
Website of the US Dept of Commerce/NOAA/NESDIS/NCEI