Meteorite Recon | Chondrites
Meteorite search expedtions into continental deserts, meteorite features, collection specimens and photography
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Stone, chondrite, LL5, S4,  W0
Chelyabinsk Oblast, Russia
Fall: 15 February, 2013, 03.22 UT
TKW: ~1 MT
Individual 772.0 g

Pristine 772 g Chelyabinsk individual. The position and course of shock planes can clearly be seen under the thin layer of secundary fusion crust that covers all surfaces of the specimen. Rough edges and coarse texture point to a late-stage fragmentation shortly prior to the transition into dark flight. Despite the large number of recovered meteorites, Chelyabinsk specimens of this size are rare. The 772 g individual ranks number 31 in the mass-sorted register of documented finds.

La Criolla

Stone, chondrite, L6, W0
E. of Estancion La Criolla, 15 km WNW. of Concordia, Entre Rios province, Argentina.
Fall: 6 January, 1985, 1815 hrs.
TKW: ~45 kg
Individual 81.0 g

“After a bright fireball and many detonations, tens of meteorites fell over a 7 x 10 km ellipsoid area E. of Estancion La Criolla. Three fragments recovered weighed 6.1 kg, 1.95 kg and 750 g” (Met.Bull. no. 64). Today the 6.1 kg stone is in Los Angeles, University of California. The pictured specimen is a fully crusted individual with a nice set of flow lines on two surfaces. One surface shows secondary crust coating a fracture. Traded from jnmczurich.


Stone, chondrite, H3-6, S3, W0
Saguia el-Hamra, Western Sahara
Fall: 1998 August 4 or 5
TKW: 175 kg
Individual 1995.1 g

“A meteorite fall was witnessed on a mountain in the vicinity of Zag, Morocco. About 175 kg have been sold by local people to dealers and collectors under the names Zag, Sagd, and Tan-Tan” (Met.Bull no. 83). The pictured specimen is an individual with six surfaces. Three are fully coated with thick primary fusion crust, two show thin secondary crust and one displays only a light degree of darkening indicating a successive break up which lasted until the final stage of the hot flight. Bright impact marks and traces of clay which have penetrated fractures and fissures of the meteorite bear witness to a violent contact with a Western Sahara gravel floor. Zag is a regolith breccia and became famous when liquid water bearing halite chrystals were discovered in it. Specimen traded from jnmczurich.

Nuevo Mercurio

Stone, chondrite, H5, W0
10 km northeast Nuevo Mercurio, Zacatecas, Mexico
Fall: 15 Dezember 1978, 18:50 hrs local time
TKW: > 5 kg
Individual 101.20 g

Fallfresh 101 g individual of the Nuevo Mercurio H5 chondrite. This meteorite fell after a brilliant fireball that was witnessed from a larger area across the country. A shower of stones fell near Rancho Santa Cruz on December 15, at 18:50 local time. About 300 specimens were recovered in an initial search, totalling 5 kg. The main mass weighed 1.4 kg. An unusual feature in this H5 chondrite are irregular pores (“vugs”), in which crystals of the various phases have developed. The pictured specimen was acquired from the Tricotett-Collection (A. Mignan), the writing was applied by the previous owner A. Lang, who obtained this stone from its finder.

Campos Sales

Stone, chondrite, L5, W0
Campos Sales, Ceara, Brazil
Fall: January 31, 1991, 10:00 pm local time
TKW: 23.68 kg
Individual: 111.60 g

According to eye witness reports the fall of the Campos Sales meteorite shower was accompanied by a loud buzzing noise and a bright flash. Many observers throughout the area were intrigued by the fireball, the sonic boom and the whizzing noise of the falling stones that reportedly sounded like bullets. Several fragments were collected from a small strewn field 1 x 3 km immediately after the event by locals. The collection specimen pictured is a fully crusted individual with some degree of orientation and well defined flow lines on all but one surface.The front surface shows radial flow lines and lipping appears on the flanks. The trailing surface is coated with a thin secondary crust. Caliche is visible on the front surface and the otherwise fresh crust shows few rust stains.


Stone, chondrite, L4, W0
Saratovskaya Oblast, Russia
Fall: September 6, 1918
TKW: ~1 MT
Fragment: 2,554 g

October 6, 1918, about 5:00 in the afternoon: Startled by a bright flash, peasants all over the northern counties of Saratov Oblast looked up to what appeared to be a group of fireballs coming from the Samara Oblast and moving to the west in a shallow arc, impressively highlighted by the sinking sun. The sighting was followed by what was described as “a powerful roar”, perceived by some as the advent of the Last Judgement. Two large fragments of the meteorite, reportedly weighing 500 kg each, were later recovered from a depth of 2 meters, one near the village of Dongus in Volsky District, and the second close to a settlement near Petrovsky. According to the reports, a third mass that was seen to fall in the Khvalynsk area on the border of Samara Oblast remains missing to the present day. This specimen is a 2.5 kg Fragment from one of the 500 kg pieces dug out from the Impact pits. Specimen is uncleaned, red Russian soil is still adhering to the fresh fusion crust.

Northwest Africa 6727

Stone, chondrite, L5, S1, W1
Morocco or Western Sahara
Find: 2006
TKW: 88 kg
Individual: 33.25 kg

Anvil shaped chondrite with five crusted and one broken surface. Two surfaces show deep and distinct regmaglypts up to 4 cm wide. The fusion crust is thick and well preserved with a webbing of contraction cracks. Flow lines are visible on several portions, particularly in and around the deepest regmaglypts. Not much is known about the find situation other that the strewn field is supposed to be located near the border of Morocco and the Western Sahara. At least three masses (33.25, 10.10 and 4.3 kg respectively) have appeared from this fall since 2006, but it is highly probable that many more have been sold without reference to each other.

Santa Vitoria do Palmar

Stone, chondrite, L3, S4, W2
Rio Grande do Sul, Brazil
Find: 2003
TKW: 50.4 kg
Endcut: 704.00 g

Cuboid cut section with five cut surfaces and one surface showing weathered fusion rind. Polished cut surfaces show a dense array of well defined chondrules in various sizes and crystallization patterns up to 10 mm in diameter. Large portions of the unequilibrated meteorite are shock blackened. This particular specimen was cut from the 34 kg main mass of the Santa Vitorio do Palmar meteorite, which was previously considered lost and which was rediscovered after the owner passed away in 2009. The pictured thin section slide measures 48 x 28 mm.


Stone, chondrite, L6, W0
Near Bruderheim, Alberta, Canada
Fall: March 4, 1960; 08h 06m U T.
TKW: 303 kg
Individual: 107.70 g

Elongated angular mass in the shape of a hammerhead. Apart from a small chip this meteorite is fully coated with a thin black velvet like fusion crust. Bruderheim entered the atmosphere as a detonating bolide creating a flash which was visible for 200 miles and followed by a series of loud detonations heard over an area of 2000 square miles. The fireball travelled on an azimuth of N. 100°, slope 40°, in the direction of the earth’s revolutionary path. The bolide had an initial velocity of 8 – 10 miles per second. The meteorite shower produced an elliptic strewnfield 3.5 miles long and 2.25 miles wide with its long axis N. 80° W. This particular mass was found by Walter Holowaty relatively late in the search campaign. It was one of the last meteorites of the Bruderheim fall recovered during the initial search after the fall and it received the University of Alberta’s collection number B-177 (of 188 initially recovered). University of Alberta trade.


Stone, chondrite, LL6, W0
Jebel Bensour, Moroccan-Algerian border
Fall: February 11, 2002
TKW: >45 kg
Individual 43.30 g

Compact chestnut shaped mass covered with thin primary fusion crust. The meteorite shows a delicate webbing of caliche-filled contraction cracks as effect of weathering. The matrix is of bright ashy color with fine uniform grain texture and shows signs of a very fine brecciation. Given the relatively rare type of the meteorite and the fall of the Kilabo LL6 meteorite only five months later in Nigeria, several researchers speculated that both meteorite falls might have been related and perhaps originated from a common meteorite stream (Cole et al.: Kilabo and Bensour: A comparative study of two recent LL6 falls, 2003). However the cosmic ray exposure ages of Bensour and Kilabo were found different (Ustinova et al. 2008). It has been suggested that a possible candidate for the parent body of all LL’s might be asteroid 3628 Boznemcova (1979 WD), though no spectral data yet exists for this object.