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火山活動

80 件の記事

HiRISE image illustrating superpositioning, a principle that lets geologists determine the relative ages of surface units. The dark-toned lava flow overlies (is younger than) the light-toned, more heavily cratered terrain (older lava flow?) at right. The ejecta of the crater at center overlies both units, indicating that the crater is the youngest feature in the image.

アマゾニアン時代火星の最新地質時代とその環境

火星アマゾニアン地質時代アマゾニス平原
Schematic cross section of image at left. Surface units are interpreted as a sequence of layers (strata), with the youngest at top and oldest at bottom in accordance with the law of superposition.

ヘスペリア紀火星の環境を激変させた火山活動と大洪水

火星ヘスペリア紀地質時代火山活動
Image of the Ganis Chasma Rift Zone on Venus. Image taken by the Magellan spacecraft by NASA. Modified after Dinderman (2015).

ガニス・チャスマ金星における活火山活動の可能性と地質学的特徴

ガニス・チャスマ金星火山活動リフト帯
Computer-generated imagery of Venusian topography data

シフ山金星に眠る巨大盾状火山と最新の火山活動の証拠

シフ山金星盾状火山エイスラ地域
An irregular mare patch in the Mare Tranquillitatis. Note that the image may appear depth inverted; the large round object in the upper right corner is a crater and the large round object in the center is a dome.

不規則海パッチ(IMP)が明かす月の地質学的謎

不規則海パッチIMP月面地質学
The dark and relatively featureless lunar plains, clearly seen with the naked eye, are vast solidified pools of ancient lava called maria.

月面の火山活動古代の溶岩平原から地下洞窟の謎まで

火山活動月の海玄武岩
Caravaggio is an example of a peak ring impact basin on Mercury.

水星の地質学太陽系最内惑星の構造と進化の謎

水星地質学惑星科学MESSENGER
Geologic map of the Moon, with general features colored in by age, except in the case of maria (in blue), KREEP (red) and other special features. Oldest to youngest: Aitkenian (pink), Nectarian (brown), Imbrian (greens/turquoise), Eratosthenian (light orange) and Copernican (yellow).

月地質学静寂の天体に刻まれた形成と進化の記録

月地質学月面マグマオーシャン月の海
Geologic map of the Moon, with general features colored in by age, except in the case of maria (in blue), KREEP (red) and other special features. Oldest to youngest: Aitkenian (pink), Nectarian (brown), Imbrian (greens/turquoise), Eratosthenian (light orange) and Copernican (yellow).

月地質学静寂の天体に刻まれた形成と進化の記録

月地質学月面マグマオーシャン月の海
Geological map showing the Gangdese batholith, which is a product of magmatic activity about 100 million years ago.

マグマ活動(マグマティズム)のメカニズムと地球上の分布

マグマティズム火成岩プレートテクトニクス沈み込み帯
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アンデサイトライン太平洋を分かつ地質学的境界線

アンデサイトライン安山岩線太平洋プレートテクトニクス
Generalised geological map of Mars[1]

火星の地質学赤い惑星の構造と歴史を解き明かす

火星地質学アレオロジータルシス