jimdoc
Well-known member
Here is one for Rick,if he hasn't seen it yet.
http://www.archive.org/details/nasa_techdoc_19930000947
http://www.archive.org/details/nasa_techdoc_19930000947
Ruthenium/iridium ratios in the Cretaceous-Tertiary boundary
- Thread starter jimdoc
- Start date
Help Support Gold Refining Forum:
Latest posts
-
-
-
Panning Gold from incinerated and crushed RAM Chips- Latest: FrugalRefiner
-
-
-
-
-
A 'gold mine' of unused gold-plated parts!
- Latest: haveagojoe
-
-
-