| 41. | Chondrites are common but hardly ordinary.
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| 42. | It was a rare meteorite called a carbonaceous chondrite, rich in water and organic chemicals.
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| 43. | Typical carbonaceous chondrite substance tends to be dissolved with water rather quickly unless it is frozen.
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| 44. | The chondrules in a chondrite that is assigned a " 3 " have not been altered.
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| 45. | It occurs as an interstitial mineral phase between silicate minerals in enstatite chondrite and achondrite meteorites.
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| 46. | It was officially named " Elbert " and it was classified as an ordinary chondrite LL6.
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| 47. | In the 1970s I began to discover that Earth is instead like an enstatite chondrite meteorite.
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| 48. | The Ca / Si ratio of 0.057 is the lowest of all carbonaceous chondrites.
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| 49. | That was not the case with previous carbonaceous chondrites found in the Antarctic and the African desert.
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| 50. | Type 7 chondrites have experienced the highest temperatures possible, short of that required to produce melting.
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