Close

Service Interruption

The NSIDC Web site and data services are currently having intermittent problems and may be unavailable. We are working to restore these services as soon as possible and apologize for any inconvenience this may cause. Please contact NSIDC User Services for assistance.

Micrometeorites from the South Pole Water Well

Documentation | Derived Images

Derived Images

Following are examples of cosmic glass spherules and micrometeorites, analyzed with a Zeiss DSM962 scanning electron microscope (SEM) at Dartmouth College. Click on each of the thumbnail images to access the corresponding full-resolution TIFF image.

Barred olivine spherule Barred olivine spherule
CAT scan of micrometeorite sample CAT scan of spherule
Cryptocrystalline spherule Cryptocrystalline spherule
G-type spherule G-type spherule
Weathered glass spherule Weathered glass spherule
Glass spherule Glass spherule
I-type spherule I-type spherule
Porphyritic spherule Porphyritic spherule
Scoriaceous spherule Scoriaceous spherule
Unmelted spherule Unmelted spherule
Silicon-rich spherule Silicon-rich spherule
Relic pieces Relic-grain-bearing spherule
Anorthite relic Anorthite relic
Glass spherule with tail Unusual glass spherule with tail
Magnetite rim Magnetite rim spherule