posted on 12/19/2015 4:50:10 PM PST
Maybe Mars got nuked.
posted on 12/19/2015 5:01:42 PM PST
( sleep with one eye open (<o> ---)
The agency says it also found "a mineral named tridymite, rare on Earth and never seen before on Mars."
Tridymite is a high-temperature polymorph of silica and usually occurs as minute tabular white or colorless pseudo-hexagonal crystals, or scales, in cavities in felsic volcanic rocks. Its chemical formula is SiO2. Tridymite was first described in 1868 and the type location is in Hidalgo, Mexico. The name is from the Greek tridymos for triplet as tridymite commonly occurs as twinned crystal trillings
posted on 12/19/2015 5:08:35 PM PST
(I'll vote for Jeb when Terri Schiavo endorses him.)
posted on 12/19/2015 5:10:16 PM PST
by Bon mots
Not rare - common on Earth in volcanic soils - SiO2 in a different form
"Silica is a highly versatile mineral and has found use in a myriad of applications. A silica-based aerogel was utilized in the Stardust spacecraft to gather extraterrestrial particles. Silica facilitates powder flow in the production of pharmaceutical products, such as tablets. It may be utilized for extracting DNA and RNA and is utilized in toothpaste as a hard abrasive tooth plaque removal. Its natural absorbency and light-diffusing properties make it useful in cosmetic applications. Colloidal silica is used as a wine- and juice-fining agent in the food and beverage industries. As a refractory material, silica is used as a high-temperature thermal protection fabric."
posted on 12/19/2015 5:18:48 PM PST
(They came for me and mine ... now it is your turn ...)
posted on 12/19/2015 5:27:29 PM PST
(When The Ballot Box No Longer Counts, The Ammunition Box Does. (What's In Your Ammo Box?))
Its really a beautiful place if you like desolation.
posted on 12/19/2015 5:33:08 PM PST
(Pride goes before destruction, and a haughty spirit before a fall.)
posted on 12/19/2015 5:39:03 PM PST
(my non-desktop devices are no longer allowed to try to fix speling and punctuation, nor my gran-mah.)
posted on 12/19/2015 5:47:56 PM PST
Isn’t “silica” another name for “sand?”
posted on 12/19/2015 6:40:14 PM PST
by E. Pluribus Unum
("We are not a nation of immigrants. We are a nation of citizens." -- Mark Levin)
At one time tridymite was considered rare, but that was before widespread testing of many different volcanic rocks turned out to contain lots of small to microscopic crystals of tridymite. Its wide spread distribution in certain types of rocks would require an abundance rating of at least common, although its identification is not easy.
posted on 12/19/2015 7:26:35 PM PST
(I'll take a bad dog over a good politician any day!)
I would guess that with all that water activity, there is a lush, underground habitat on Mars. The Morlocks live there and raise Eloi as slaves and sources of food. Once in a while, they spot one of our rovers and plant things in their paths as a joke.
That's my story and I'm sticking to it.
posted on 12/20/2015 4:26:01 AM PST
(Where in the the hell has my country gone?)
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