Groundwater on Mars
During past ages, there was rain and/or snow on Mars; especially in the Noachian and early Hesperian epochs. [2] [3] [4] [5] [6] [7] Some moisture entered the ground and formed aquifers . That is, the water went into the ground, seeped down until it reached a layer that would not allow it to penetrate (such a layer is called impermeable), and then water piled up forming a layer that was saturated with water.
Page Revisions
| Year | Metadata | Sections | Top Words | First Paragraph |
| 2018 |
164267 characters 6 sections 25 paragraphs 19 images 754 internal links 53 external links |
layers 0.352 pedestal 0.308 groundwater 0.212 arabia 0.181 crystals 0.179 crommelin 0.161 inverted 0.159 sediments 0.153 minerals 0.135 hiwish 0.134 water 0.134 hirise 0.132 cemented 0.129 crater 0.119 sulfates 0.116 |
During past ages, there was rain and/or snow on Mars; especially in the Noachian and early Hesperian epochs. [2] [3] [4] [5] [6] [7] Some moisture entered the ground and formed aquifers . That is, the water went into the ground, seeped down until it reached a layer that would not allow it to penetrate (such a layer is called impermeable), and then water piled up forming a layer that was saturated with water. |
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| 2017 |
100728 characters 6 sections 26 paragraphs 19 images 195 internal links 50 external links |
layers 0.352 pedestal 0.308 groundwater 0.212 arabia 0.181 crystals 0.179 crommelin 0.161 inverted 0.159 sediments 0.153 minerals 0.135 hiwish 0.134 water 0.134 hirise 0.132 cemented 0.129 crater 0.119 sulfates 0.116 |
During past ages, there was rain and/or snow on Mars; especially in the Noachian and early Hesperian epochs. [2] [3] [4] [5] [6] [7] Some moisture entered the ground and formed aquifers . That is, the water went into the ground, seeped down until it reached a layer that would not allow it to penetrate (such a layer is called impermeable), and then water piled up forming a layer that was saturated with water. |
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| 2016 |
97888 characters 6 sections 24 paragraphs 19 images 195 internal links 50 external links |
layers 0.356 pedestal 0.312 arabia 0.183 crystals 0.181 groundwater 0.172 crommelin 0.163 inverted 0.161 sediments 0.155 minerals 0.136 hiwish 0.136 water 0.136 hirise 0.133 cemented 0.130 sulfates 0.117 crater 0.115 |
During past ages, there was rain and/or snow on Mars; especially in the Noachian and early Hesperian epochs. [2] [3] [4] [5] [6] [7] Some moisture entered the ground and formed aquifers . That is, the water went into the ground, seeped down until it reached a layer that would not allow it to penetrate (such a layer is called impermeable), and then water piled up forming a layer that was saturated with water. |
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| 2015 |
95795 characters 6 sections 19 paragraphs 17 images 189 internal links 50 external links |
layers 0.340 pedestal 0.319 arabia 0.187 crystals 0.185 groundwater 0.176 crommelin 0.167 inverted 0.165 sediments 0.159 minerals 0.140 water 0.139 cemented 0.133 sulfates 0.120 craters 0.117 dissolved 0.115 hirise 0.114 |
During past ages, there was rain and/or snow on Mars; especially in the Noachian and early Hesperian epochs. [2] [3] [4] [5] [6] [7] Some moisture entered the ground and formed aquifers . That is, the water went into the ground, seeped down until it reached a layer that would not allow it to penetrate (such a layer is called impermeable), and then water piled up forming a layer that was saturated with water. In an aquifer water occupies open space (pore space) that lies between rock particles. This layer would spread out, eventually coming to be under most of the Martian surface. The top of this layer is called the water table . Calculations show that the water table on Mars was for a time 600 meters [ citation needed ] below the surface. Several prominent features on the planet have been produced by the action of groundwater . [8] When water rose to the surface or near surface, various minerals were deposited and sediments became cemented together. Some of the minerals were sulfates that were probably produced when water dissolved sulfur from underground rocks, and then became oxidized when it came into contact with the air. [9] |
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| 2014 |
69534 characters 6 sections 16 paragraphs 11 images 47 internal links 52 external links |
pedestal 0.334 layers 0.329 arabia 0.196 crystals 0.194 groundwater 0.184 inverted 0.172 minerals 0.146 water 0.145 sediments 0.142 cemented 0.139 sulfates 0.126 craters 0.122 dissolved 0.120 model 0.116 stream 0.115 |
During past ages, there was rain and/or snow on Mars; especially in the Noachian and early Hesperian epochs. [2] [3] [4] [5] [6] [7] Some moisture entered the ground and formed aquifers . That is, the water went into the ground, seeped down until it reached a layer that would not allow it to penetrate (such a layer is called impermeable), and then water piled up forming a layer that was saturated with water. In an aquifer water occupies open space (pore space) that lies between rock particles. This layer would spread out, eventually coming to be under most of the Martian surface. The top of this layer is called the water table . Calculations show that the water table on Mars was for a time 600 meters [ citation needed ] below the surface. Several prominent features on the planet have been produced by the action of groundwater . [8] When water rose to the surface or near surface, various minerals were deposited and sediments became cemented together. Some of the minerals were sulfates that were probably produced when water dissolved sulfur from underground rocks, and then became oxidized when it came into contact with the air. [9] |
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| 2013 |
66497 characters 6 sections 17 paragraphs 11 images 47 internal links 50 external links |
layers 0.356 pedestal 0.323 groundwater 0.200 arabia 0.189 crystals 0.187 inverted 0.167 sediments 0.161 minerals 0.157 water 0.141 cemented 0.135 sulfates 0.122 craters 0.118 dissolved 0.116 model 0.112 stream 0.111 |
During past ages, there was rain and/or snow on Mars; especially in the Noachian and early Hesperian epochs. [2] [3] [4] [5] [6] [7] Some moisture entered the ground and formed aquifers . That is, the water went into the ground, seeped down until it reached a layer that would not allow it to penetrate (such a layer is called impermeable), and then water piled up forming a layer that was saturated with water. In an aquifer water occupies open space (pore space) that lies between rock particles. This layer would spread out, eventually coming to be under most of the Martian surface. The top of this layer is called the water table . Calculations show that the water table on Mars was for a time 600 meters below the surface. Several prominent features on the planet have been produced by the action of groundwater . [8] When water rose to the surface or near surface, various minerals were deposited and sediments became cemented together. Some of the minerals were sulfates that were probably produced when water dissolved sulfur from underground rocks, and then became oxidized when it came into contact with the air. [9] |
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| 2012 |
63374 characters 6 sections 16 paragraphs 10 images 42 internal links 48 external links |
layers 0.371 pedestal 0.337 arabia 0.197 crystals 0.195 groundwater 0.186 minerals 0.163 water 0.147 inverted 0.145 sulfates 0.127 craters 0.123 dissolved 0.121 sediments 0.120 model 0.117 stream 0.116 cemented 0.112 |
During past ages, there was rain and/or snow on Mars; especially in the Noachian and early Hesperian epochs. [1] [2] [3] [4] [5] [6] Some moisture entered the ground and formed aquifers . That is, the water went into the ground, seeped down until it reached a layer that would not allow it to penetrate (such a layer is called impermeable), and then water piled up forming a layer that was saturated with water. In an aquifer water occupies open space (pore space) that lies between rock particles. This layer would spread out, eventually coming to be under most of the Martian surface. The top of this layer is called the water table . Calculations show that the water table on Mars was for a time 600 meters below the surface. Several prominent features on the planet have been produced by the action of groundwater . [7] When water rose to the surface or near surface, various minerals were deposited and sediments became cemented together. Some of the minerals were sulfates that were probably produced when water dissolved sulfur from underground rocks, and then became oxidized when it came into contact with the air. [8] |
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| 2011 |
38024 characters 6 sections 16 paragraphs 10 images 38 internal links 1 external links |
layers 0.371 pedestal 0.337 arabia 0.197 crystals 0.195 groundwater 0.186 minerals 0.163 water 0.146 inverted 0.145 sulfates 0.127 craters 0.123 dissolved 0.121 sediments 0.120 model 0.117 stream 0.116 cemented 0.112 |
During past ages, there was rain and/or snow on Mars; especially in the Noachian and early Hesperian epochs. [1] [2] [3] [4] [5] [6] Some moisture entered the ground and formed aquifers . That is, the water went into the ground, seeped down until it reached a layer that would not allow it to penetrate (such a layer is called impermeable), and then the water then piled up forming a layer that was saturated with water. In an aquifer water occupies open space (pore space) that lies between rock particles. This layer would spread out, eventually coming to be under most of the Martian surface. The top of this layer is called the water table . Calculations show that the water table on Mars was for a time 600 meters below the surface. Several prominent features on the planet have been produced by the action of groundwater . [7] When water rose to the surface or near surface, various minerals were deposited and sediments became cemented together. Some of the minerals were sulfates that were probably produced when water dissolved sulfur from underground rocks, and then became oxidized when it came into contact with the air. [8] |