Curiosity Blog, Sols 4798-4803: Back for More Science

Pasadena CA (JPL) Feb 17, 2026
The results from our first visit to the "Nevado Sajama" drill location were intriguing enough to motivate our return to do a deeper dive into the minerals and compounds locked in this rock with SAM (the Sample Analysis at Mars instrument suite). As explained in the last blog, that deeper dive involves using the second of two vials of a chemical reagent, tetramethylammonium hydroxide (TMAH)