Description: The Allende meteorite is a renowned CV3 carbonaceous meteorite, noted for its significant scientific value and unique composition. This particular full slice, obtained from the university collection at ASU, weighs 31.695 grams and is described as fresh and pristine, displaying characteristic features such as chondrules and visible CAIs (Calcium-Aluminum-rich Inclusions). The presence of CAIs in this meteorite suggests it originates from the early solar system, making it an invaluable specimen for research and study. Accompanied by a Certificate of Authenticity (COA) card and housed in a display case, this Allende meteorite slice presents both aesthetic and educational appeal. Its presence of pristine chondrules and CAIs offers researchers a glimpse into the formation and evolution of our solar system. Overall, this fragment serves as a tangible and captivating piece of cosmic history, inviting further exploration and analysis for enthusiasts and scholars alike. These meteorites were recently obtained from ASU in a trade, and they were originally whole stones uncut. When we received them, we had them cut professionally with wire saw and dry cutting techniques. The samples I am offering are pristine and unweathered and are perfect for collectors and researchers. Name: Allende This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: Yes Year fell: 1969 Country: Mexico Mass: 2 t The place of fall or discovery: The village of Pueblito de Allende, Chihuahua, Mexico; = 2658'N, = 10519'W. Date of fall or discovery: FALL, February 8, 1969, 7h05m GMT. Circumstances of the fall or discovery: The huge fireball lighted up thousands of square miles of Northern Mexico and Southwestern United States. The fireball traveled from south to north. A meteorite shower spread over 50 square kilometers area. There are several pits; the biggest one is 60 cm across and 15 cm deep. Search and preliminary investigation of the meteorites were carried out by Dr. E. King (NASA), Drs. B. Mason and R. Clarke (Smithsonian Institution, Washington, USA) and others. Introduction CV3 carbonaceous chondrites are a distinct group of meteorites classified under the carbonaceous chondrite category, noted for their rich organic content and complex mineralogy. These meteorites are believed to have originated from the diverse materials found in the early solar system, providing crucial insights into the processes that led to planet formation and the evolution of organic molecules. Classification and Characteristics The acronym "CV" refers to the specific group of carbonaceous chondrites characterized by their volatile element content and mineral assemblage, while the "3" denotes the presence of limited thermal alteration. CV3 meteorites are specifically categorized within the classification system established by the Meteoritical Society based on their chemical and mineralogical features. **Key Features:** - **Mineralogy:** CV3 meteorites predominantly contain olivine and pyroxene, alongside phyllosilicates, metal, and sulfides. These minerals reflect the primitive nature of the parent asteroids from which they originated. - **Organic Content:** These meteorites are particularly notable for their high concentrations of complex organic compounds, including amino acids and polycyclic aromatic hydrocarbons (PAHs), which provide clues to prebiotic chemistry. - **Isotopic Composition:** CV3 chondrites exhibit unique isotopic signatures, particularly in terms of oxygen and nitrogen isotopes, suggesting a varied source of materials and conditions under which they formed. Formation and Parent Body The parent bodies of CV3 meteorites are believed to have formed in the early solar system around 4.6 billion years ago. They are thought to be remnants of differentiated bodies that experience varying degrees of thermal and aqueous alteration. The presence of phyllosilicates indicates that some degree of aqueous alteration occurred, which is instrumental in the development of organic compounds. Significance in Astrobiology CV3 meteorites are of profound interest in astrobiology due to their organic molecules, which are pivotal to understanding the origins of life. The presence of such compounds in these meteorites raises questions about the transfer of organic materials from space to early Earth and the potential for life elsewhere in the solar system and beyond. Research and Analysis Ongoing studies involving CV3 carbonaceous chondrites utilize a variety of analytical techniques, including: - **Microscopy:** To investigate microscopic mineral structures and textures. - **Mass Spectrometry:** For characterization of organic molecules and isotopic ratios. - **Infrared Spectroscopy:** To study mineral composition and the presence of hydrated minerals. These analyses not only help in understanding the formation processes of the meteorites but also contribute to a broader comprehension of the solar system's history. Conclusion CV3 carbonaceous chondrite meteorites serve as a window into the early solar system, providing essential clues about the formation and evolution of planetary bodies. Their rich organic content and diverse mineralogy make them invaluable for research in planetary science, cosmochemistry, and astrobiology. Continued studies of these meteorites can foster a deeper understanding of the origins of life and the conditions that may support it elsewhere in the universe. References - [Insert relevant academic journals, articles, and books that cover carbonaceous chondrites and their importance in scientific research] This write-up can serve as a foundational piece for further detailing specific studies, findings, or theories related to CV3 meteorites, depending on the audience or context in which it will be presented. Obtaining meteorites from a university is crucial for several reasons, especially when these samples are fresh and pristine. When universities acquire meteorites, they often have strict protocols to ensure the integrity and authenticity of the specimens. Here are some key points highlighting the importance of such meteorites: 1. **Pristine Condition**: Meteorites sourced directly from universities are often extremely fresh, as they might have recently recovered. This means they are less likely to have undergone weathering or alteration due to environmental exposure, which can significantly impact scientific findings. 2. **Whole Stones Recently Cut**: Meteorites that are whole stones and have been recently sliced provide a unique opportunity for analysis. These initial cuts allow researchers to examine the internal structure and composition of the meteorites without the interference of external contaminants. The lack of weathering ensures that the surfaces analyzed represent their original state. 3. **Unstudied Samples**: Obtaining meteorites that have not been previously studied is invaluable. Unexamined samples offer a chance for groundbreaking research that can lead to new discoveries about the solar system's formation, planetary geology, and the history of celestial materials. This fresh perspective can provide insights into the processes that shape our planet and its neighbors. 4. **Scientific Research and Education**: Universities often play a pivotal role in advancing our understanding of space through research. Access to pristine meteorite samples fosters opportunities for cutting-edge research and educational programs, allowing students and researchers alike to engage in the scientific process. 5. **Planetary Comparison**: Fresh meteorites allow scientists to draw comparisons between extraterrestrial materials and terrestrial geology. Understanding the unaltered state of these materials helps refine knowledge about impact events, planetary formation, and the conditions of early solar system bodies. In summary, acquiring whole, recently cut meteorites in pristine condition from a university setting significantly enhances the potential for scientific research, education, and a deeper understanding of cosmic phenomena. Such specimens are not just rocks; they are pieces of history, potentially offering invaluable information about the origins of the universe.
Price: 1800 USD
Location: Riverside, California
End Time: 2025-01-18T21:29:03.000Z
Shipping Cost: N/A USD
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