Estudio del registro magnético de la Tierra; utiliza la información recogida a partir de minerales ferrosos en las rocas porque este tipo de minerales registran la orientación del campo magnético de la Tierra en el momento en que se forman.
Depresión larga y estrecha que de forma cuando la corteza continental se empieza a separar en un límite divergente.
Aparato que sirve para mapear el fondo marino; detecta cambios pequeños en los campos magnéticos.
Proceso tectónico asociado con las corrientes de convección en el manto de la Tierra, qué ocurre cuando el peso de una cordillera elevada empuja una placa oceánica hacia una zona de subducción.
Hipótesis de Wegener que propone que los continentes de la Tierra estaban unidos en una sola masa terrestre, llamada Pangaea, la cual se separó hace aproximadamente 200 millones de años y que los fragmentos resultantes se movieron lentamente a sus ubicaciones actuales.
Lugar donde dos placas tectónicas se mueven aproximándose cada vez más entre sí; está asociado con fosas abisales, arcos insulares y montañas plagadas.
Enormes fragmentos de corteza que cubren la superficie terrestre; sus límites se corresponden entre sí.
Hipótesis que propone que la nueva corteza oceánica se forma en las dorsales medio oceánicas y se destruye en las fosas submarinas profundas; ocurre según un ciclo continuo de intrusión y expansión del magma.
Proceso tectónico asociado con las corrientes de convección del manto de la Tierra, qué ocurre cuando el peso de la placa subductada jala la litosfera hacia una zona de subducción.
Verticales
Sucede cuando el campo magnético de la Tierra cambia polaridad entre normal y invertida.
Lugar donde dos placas tectónicas terrestres se alejan entre sí; se asocia con actividad volcánica, terremotos, un alto flujo de calor y se hallan principalmente en el fondo marino.
Lugar donde dos placas tectónicas se deslizan horizontalmente, una al lado de la otra y en sentidos opuestos; se caracteriza por presentar grandes fallas y terremotos superficiales.
Proceso en que una placa tectónica se desliza por debajo de otra.
Línea imaginaria en un mapa que conecta puntos con la misma antigüedad; que se formaron al mismo tiempo.
Antigua masa terrestre compuesta por todos los continentes, los cuales se empezaron a separar hace cerca de 200 millones de años.
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