Description: My name is Ruben Garcia - aka MrMeteorite - and I’m a meteorite hunter, dealer, and collector. I began my meteorite adventures in 1998 and since then I have found many thousands of meteorites as well purchased and sold many thousands more. I’ve been featured in many books and magazines about meteorites. Publications like Sky and Telescope, Discover, Iguana, Meteorite Times, and even the latest book by O. Richard and Dorothy Norton, called “What’s so Mysterious about Meteorites?” I’ve also been featured in such TV shows as, Cash and Treasures, Meteorite Men, Nova Science NOW with Neil deGrasse Tyson, and the United Stats of America - a program all about various statistics - with Sklar Brothers as hosts. Of course, I’ve also been the subject of newspaper articles all across the country as well as various NPR and BBC radio shows. You can bid with confidence since everything I sell is guaranteed to be exactly as listed. I include a handwritten (business card size) certificate of authenticity with each specimen. If you have a question, please feel free to send a message before bidding. ---------------------------------------------------------------------------------------------- Here’s information (from the Meteorite Bulletin) about this particular meteorite.Tissint Basic information Name: Tissint This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: Yes Year fell: 2011 Country: Morocco Mass: 7 kg Classification history: (2012) Martian (shergottite) Recommended: Martian (shergottite) This is 1 of 298 approved meteorites (plus 2 unapproved names) classified as Martian (shergottite). Comments: Approved 17 Jan 2012 Writeup Tissint 29°28.917’N, 7°36.674’W Tata, MoroccoFell: 18 July 2011 Classification: Martian meteorite (Shergottite) History: (H. Chennaoui Aoudjehane, FSAC, and A. Aaronson) At about 2 am local time on July 18, 2011, a bright fireball was observed by several people in the region of the Oued Drâa valley, east of Tata, Morocco. One eyewitness, Mr Aznid Lhou, reported that it was at first yellow in color, and then turned green illuminating all the area before it appeared to split into two parts. Two sonic booms were heard over the valley. In October 2011, nomads began to find very fresh, fusion-crusted stones in a remote area of the Oued Drâa intermittent watershed, centered about 50 km ESE of Tata and 48 km SSW of Tissint village, in the vicinity of the Oued El Gsaïb drainage and also near El Ga’ïdat plateau known as Hmadat Boû Rba’ ine. The largest stones were recovered in the El Ga’ïdat plateau, whereas the smallest one (a few grams) closer to the El Aglâb Mountains. One 47 g crusted stone was documented as being found at 29°28.917’ N, 7°36.674’ W. Physical characteristics: Several fusion-crusted stones have been collected ranging from 1 to 987 g, with a total weight of around 7 kg. The stones are almost completely coated by glistening black fusion crust, characterized by thicker layers on exterior ridges as well as much glossier regions (above interior olivine macrocrysts). Some stones have thinner secondary fusion crust on some surfaces. The crust on some stones has been broken in places to reveal the interior, which appears overall pale gray in color with larger, very pale yellow olivine macrocrysts, and sporadic small pockets and some very thin veinlets of black glass. No terrestrial weathering is evident. Petrography: (A. Irving and S. Kuehner, UWS): Olivine macrocrysts (to 1.5 mm) and microphenocrysts (to 0.4 mm) are set in a finer groundmass of patchily zoned pyroxene, plagioclase (maskelynite), Ti-poor chromite, ilmenite, pyrrhotite and minor merrillite. Both the larger olivine macrocrysts and smaller olivine microphenocrysts exhibit thin ferroan rims against the groundmass, and contain tiny chromite inclusions. Narrow ferroan zones also occur within the interior of some olivine macrocrysts. Geochemistry: Olivine (cores of large macrocrysts Fa19.4-20.2, Fe/Mn=42-44; rims Fa43.2-60.4, Fe/Mn=50-55), cores of microphenocrysts Fa29.1-30.2, Fe/Mn=45-46; rims up to Fa53.3, Fe/Mn=53), orthopyroxene cores (Fs24.0-24.4Wo4.1-4.6, Fe/Mn=30-32), pigeonite (Fs26.1-51.6Wo11.9-16.9, Fe/Mn=31-35), subcalcic augite (Fs21.7-23.3Wo25.0-24.2, Fe/Mn=26-28), plagioclase (An61.1-64.3Or0.5-0.4). Oxygen isotopes (R. Tanaka, OkaU): analyses of acid-washed subsamples by laser fluorination gave, respectively δ17O = 2.849, 2.892; δ18O = 4.844, 4.943; Δ17O = 0.299, 0.290 per mil. Bulk composition (G. Chen and C. Herd, UAb) ICPMS analysis of powdered interior material gave Sm/Nd=0.646, indicating that this specimen has affinities with the depleted compositional group of shergottites. Classification: Achondrite (Martian, olivine-phyric shergottite). Specimens: A total of 30.3 g of type material and one polished thin section are on deposit at UWS. Other known institutional specimens include 370 g (ASU), 58 g (UAb), and 108 g (UNM). The remaining material is held by anonymous dealers and collectors. Data from: Table 1 Line 1920: State/Prov/County:Tata Date:18 July 2011 Latitude:29°28.917’N Longitude:7°36.674’W Mass (g):>7000 Pieces:many Class:Martian (shergottite) Shock stage:moderate Weathering grade:very low Fayalite (mol%):19.4-60.4 Ferrosilite (mol%):24.0-51.6; 21.7-23.3 Wollastonite (mol%):4.1-16.9; 25.0-24.2 Classifier:A. Irving, S. Kuehner, H. Chennaoui Aoudjehane Type spec mass (g):30.3 Type spec location:UWS Main mass:Anonymous Comments:Submitted by A. Irving Plots: O isotopes: Institutions and collections
Price: 57.75 USD
Location: Peoria, Arizona
End Time: 2024-11-16T23:13:00.000Z
Shipping Cost: 5.25 USD
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