| 31. | Latitudinal grooves are also found on carbonate concretions found in Schoharie County, New York.
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| 32. | The rover indeed found layered rocks and marble-or blueberry-like hematite concretions.
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| 33. | In addition, possible remains of Mangrove roots have been found encased in siderite concretions.
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| 34. | This caused concretions containing plant material to form and preserve as rounded lumps of stone.
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| 35. | He was an expert in the field of the creation of marine Manganese nodule concretions.
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| 36. | Unlike the Moeraki boulders, some of these concretions contain the bones of mosasaurs and plesiosaurs.
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| 37. | Evidence suggests that microbial metabolism may have contributed to the formation of some of these concretions.
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| 38. | The hemispherical voids and pits result from the selective dissolution of carbonate concretions within the greywacke.
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| 39. | The concretions are calcareous and range from 0.125 cm 3 to 125 cm 3.
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| 40. | The concretions from the Barstow Formation preserve both allochthonous arthropod communities and rare autochthonous arthropod communities.
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