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A chondrule (from Ancient Greek χόνδρος chondros, grain) is a round grain found in a chondrite. Chondrules form as molten or partially molten droplets in space before being accreted to their parent asteroids .
Primitive achondrites are a subdivision of meteorites.They are classified on the same rank (historically called "Class") and lying between chondrites and achondrites.They are called primitive because they are achondrites that have retained much of their original chondritic properties.
A chondrite / ˈ k ɒ n d r aɪ t / is a stony (non-metallic) meteorite that has not been modified by either melting or differentiation of the parent body. [a] [1] They are formed when various types of dust and small grains in the early Solar System accreted to form primitive asteroids.
Chondrule glass: Altered or absent: Mostly altered, some preserved: Clear, isotropic: Devitrified: Absent Metal: Maximum Ni content – <20% Taenite minor or absent >20% kamacite and taenite in exsolution relationship Sulfides: Mean Ni content – >0.5% <0.5% Overall Texture: No chondrules: Sharp chondrule boundaries: Some chondrules can be ...
Second, medical roots generally go together according to language, i.e., Greek prefixes occur with Greek suffixes and Latin prefixes with Latin suffixes. Although international scientific vocabulary is not stringent about segregating combining forms of different languages, it is advisable when coining new words not to mix different lingual roots.
The chondrule size is only about 0.15 mm on average. They are all of petrologic type 3. Famous CO chondrite falls: Ornans; Kainsaz; Warrenton; Moss; Famous finds:
Pneumonoultramicroscopicsilicovolcanoconiosis (/ ˌ nj uː m ə n oʊ ˌ ʌ l t r ə ˌ m aɪ k r ə ˈ s k ɒ p ɪ k ˌ s ɪ l ɪ k oʊ v ɒ l ˌ k eɪ n oʊ ˌ k oʊ n i ˈ oʊ s ɪ s / ⓘ [1] [2]) is a 45-letter word coined in 1935 by the then-president of the National Puzzlers' League, Everett M. Smith.
Chirurgiae Magister, Master of Surgery (British and Commonwealth countries medical degree) Caucasian male cardiomyopathy: CMD: cystic medial degeneration: CME: continuing medical education: CML: chronic myelogenous leukemia, also called chronic myeloid leukaemia CMML: chronic myelomonocytic leukemia: CMO: comfort measures only (palliative care ...