Americas roving geologist on the Red Planet employed its drill on Mars for the first time and collected bits of powdered rock. Curiosity snapped a picture of the rock dust in the scoop with one of its own cameras.

Previous rovers have been able to study the surfaces of Martian rocks, but this is the first time a NASA rover has been able to study the interior of a rock, seeing geological traces that have been sealed away from harsh surface conditions.

Mars Curiosity engineer Louise Jandura told reporters during a phone conference on Wednesday that the maneuver is akin to unlocking a time capsule of evidence about the state of Mars going back 3 or 4 billion years.

Next, Curiosity will be analyzing the sample using several onboard instruments: the Collection and Handling for In-Situ Martian Rock Analysis, or Chimra; the Chemistry and Mineralogy device, or CheMin; and the Sample Analysis at Mars instrument, or SAM.

The sample taken comes from an area of veiny sedimentary rock that NASA has dubbed John Klein, after a Curiosity team member who died in 2011. In this part of the Martian plane, plates of bedrock are surrounded by soil, with spherical nodules and high-standing veins of material embedded in the rock.

All these features tell us the rocks in the area have a really rich geological history, Curiosity scientist Joel Hurowitz told reporters.

Preliminary data indicate the whitish powder from the rock drilling is likely calcium sulfate, although scientists wont know for sure until the full chemical analysis comes in.

The whitishness of the Martian rocks interior suggests that the inside of the rock didnt go through the oxidizing process that produces the Red Planets characteristic hue. Further geological data could show that ancient Mars looked very different from the crimson, rocky ball we see today.

One of the larger aspects of Curiositys mission is to investigate whether the environment on the Martian Gale Crater could have ever supported life. The mission has gone relatively smoothly since Curiositys seven minutes of terror descent last summer, which required precise timing and a newly developed sky crane to lower the rover to the surface.

The Curiosity team did encounter a small hiccup on this latest drilling operation -- software bugs caused the cleaning of the drill and the transference of the sample to take a bit longer than expected. But NASA scientists were able to work around the bugs, and Curiosity suffered no harm.

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NASA Rover Curiosity Is First Robot To Drill Into Martian Surface