The Sierra Nevada Batholith is a large batholith which forms the core of the Sierra Nevada mountain range in California, exposed at the surface as granite. The batholith is composed of many individual masses of rock called plutons, which formed deep underground during separate episodes of magma intrusion, millions of years before the Sierra itself first began to rise. The extremely hot, relatively buoyant plutons, also called plutonic diapirs, intruded through denser, native country rock and sediments, never reaching the surface. At the same time, some magma managed to reach the surface as volcanic lava flows, but most of it cooled and hardened below the surface and remained buried for millions of years.
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| - Batolite della Sierra Nevada (it)
- Sierra Nevada Batholith (en)
- Батоліт Сьєрра-Невади (uk)
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| - Батоліт Сьєрра-Невади — великий батоліт в гірському ланцюзі Сьєрра-Невада (Каліфорнія, США). Ця безперервна гранітна формація формує багато із структур гірського масива. Батоліт складається з багатьох індивідуальних скельних мас — плутонів, які сформувалися на значній глибині протягом окремих епізодів інтрузії магми. Надзвичайно гарячі та легкі плутони, так звані діапіри, інтродукувалися через щільніші старіші породи, формуючі характеристичні структури Сьєрра-Невади. (uk)
- The Sierra Nevada Batholith is a large batholith which forms the core of the Sierra Nevada mountain range in California, exposed at the surface as granite. The batholith is composed of many individual masses of rock called plutons, which formed deep underground during separate episodes of magma intrusion, millions of years before the Sierra itself first began to rise. The extremely hot, relatively buoyant plutons, also called plutonic diapirs, intruded through denser, native country rock and sediments, never reaching the surface. At the same time, some magma managed to reach the surface as volcanic lava flows, but most of it cooled and hardened below the surface and remained buried for millions of years. (en)
- Il batolite della Sierra Nevada è un esteso batolite che forma il nucleo del gruppo montuoso statunitense della Sierra Nevada, in California, dove è esposto sotto forma di granito. Il batolite è composto di plutoni, masse individuali di roccia che si sono formate in vari episodi di intrusioni magmatiche avvenute milioni di anni prima che la Sierra cominciasse a sollevarsi. I plutoni estremamente caldi, si mossero come diapiri risalendo attraverso la più densa roccia base e i sedimenti, ma senza raggiungere la superficie. Qualche flusso magmatico isolato riuscì a fuoriuscire in superficie sotto forma di lava in seguito a eruzioni vulcaniche, ma la maggior parte si raffreddò e indurì al di sotto della superficie rimanendo sepolta per milioni di anni. (it)
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| - The Sierra Nevada Batholith is a large batholith which forms the core of the Sierra Nevada mountain range in California, exposed at the surface as granite. The batholith is composed of many individual masses of rock called plutons, which formed deep underground during separate episodes of magma intrusion, millions of years before the Sierra itself first began to rise. The extremely hot, relatively buoyant plutons, also called plutonic diapirs, intruded through denser, native country rock and sediments, never reaching the surface. At the same time, some magma managed to reach the surface as volcanic lava flows, but most of it cooled and hardened below the surface and remained buried for millions of years. The batholith – the combined mass of subsurface plutons – became exposed as tectonic forces initiated the formation of the Basin and Range geologic province, including the Sierra Nevada. As the mountains rose, the forces of erosion eventually wore down the material which had covered the batholith for millions of years. The exposed portions of the batholith became the granite peaks of the High Sierra, including Mount Whitney, Half Dome and El Capitan. Most of the batholith, however, remains below the surface. (en)
- Il batolite della Sierra Nevada è un esteso batolite che forma il nucleo del gruppo montuoso statunitense della Sierra Nevada, in California, dove è esposto sotto forma di granito. Il batolite è composto di plutoni, masse individuali di roccia che si sono formate in vari episodi di intrusioni magmatiche avvenute milioni di anni prima che la Sierra cominciasse a sollevarsi. I plutoni estremamente caldi, si mossero come diapiri risalendo attraverso la più densa roccia base e i sedimenti, ma senza raggiungere la superficie. Qualche flusso magmatico isolato riuscì a fuoriuscire in superficie sotto forma di lava in seguito a eruzioni vulcaniche, ma la maggior parte si raffreddò e indurì al di sotto della superficie rimanendo sepolta per milioni di anni. Gli affioramenti della roccia costituente il batolite ebbero inizio quando le forze tettoniche cominciarono a dar luogo alla formazione della provincia geologica di Basin and Range, inclusa la Sierra Nevada. Dopo l'innalzamento delle catene montuose, le forze dell'erosione iniziarono a disgregare e asportare il materiale che aveva ricoperto per milioni di anni il batolite. Le porzioni esposte divennero gli attuali picchi granitici della Sierra, come Monte Whitney, Half Dome e El Capitan. La maggior parte del batolite rimane tuttavia ancora al di sotto della superficie. (it)
- Батоліт Сьєрра-Невади — великий батоліт в гірському ланцюзі Сьєрра-Невада (Каліфорнія, США). Ця безперервна гранітна формація формує багато із структур гірського масива. Батоліт складається з багатьох індивідуальних скельних мас — плутонів, які сформувалися на значній глибині протягом окремих епізодів інтрузії магми. Надзвичайно гарячі та легкі плутони, так звані діапіри, інтродукувалися через щільніші старіші породи, формуючі характеристичні структури Сьєрра-Невади. (uk)
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