Meteorite Aguas Zarcas – Costa Rica
Type: stony meteorite / carbonaceous chondrite CM2
Locality: Costa Rica
Weight: 0,03g
Dimensions: 5 x 3 x 1 mm
Year fell: 2019
Total known weight: 27 kg
Surface treatment: none – raw
Packaging: Transparent plastic box (5,8 x 3,8 x 1,6 cm)
| Category: | Aguas Zarcas |
|---|---|
| By name: | Aguas Zarcas |
| ? Type: | Stony |
| Subspecies: | Chondrite |
| ? Surface treatment: | Natural (raw) |
| Packaging: | In box |
| Specialties: | Observed fall |
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Aguas Zarcas Meteorite – Carbonaceous Chondrite from Costa Rica
The Aguas Zarcas meteorite is a fascinating example of a carbonaceous chondrite of type CM2 that landed on Earth on April 23, 2019. This meteorite fell in the Aguas Zarcas area in the province of Alajuela, Costa Rica. The first discovered piece weighing 1152 g crashed into a house, while another piece weighing 280 g landed in a dog house.
The bolide that caused this meteorite had an entry angle of 73°, traveled a distance of 20.7 km, and had an atmospheric velocity of 14 km/s. The total recovered mass of the meteorite is approximately 27 kg, with about 11 kg recovered before rain began to fall at the impact site, which could have damaged the samples.
Composition and Classification of the Meteorite
Aguas Zarcas is a CM2 carbonaceous chondrite, meaning it contains significant amounts of carbon, minerals such as olivine and pyroxene, as well as organic compounds. The CM2 type is known for its abundance of organic molecules and water, which is important for understanding the early solar system.
Appearance
The appearance of the Aguas Zarcas meteorite is characterized by dark, often black or dark brown fragments that contain visible chondrules and gray or black inclusions.