NASA, USGS Scientists Go Rock Hounding in California’s High Desert

https://www.nasa.gov/science-research/earth-science/nasa-usgs-scientists-go-rock-hounding-in-californias-high-desert/?utm_source=newsletter&utm_medium=email&utm_campaign=nn202623 Equipped with rock picks and hand lenses, a team of geoscientists deployed to the Mojave Desert recently to investigate a tantalizing “fingerprint” detected by a NASA sensor. Their target: a cache of topaz hiding in plain sight.