rocas volcanicas. volcanic rocks
TRANSCRIPT
![Page 1: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/1.jpg)
Rocas magmáticasRocas magmáticas
ROCAS VOLCÁNICASROCAS VOLCÁNICAS
Extrusivas o efusivasExtrusivas o efusivas
![Page 2: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/2.jpg)
Características que deben observarse para el Características que deben observarse para el reconocimiento “reconocimiento “visu” visu” de las rocas volcánicasde las rocas volcánicas
• CONSOLIDADAS POR EL ENFRIAMIENTO RÁPIDO DE LAVAS EN EL EXTERIOR DE LA CORTEZA
• SE DISTINGUEN MENOS CRISTALES QUE EN LAS ROCAS PLUTÓNICAS.
• TEXTURAS AFANÍTICAS, PORFÍDICAS Y VÍTREAS• CRISTALES GENERALMENTE MUY PEQUEÑOS: TEXTURAS
AFANÍTICAS• ALGUNAS ROCAS SON TOTALMENTE VÍTREAS.• A VECES CRISTALES GRANDES EN UNA MATRIZ VÍTREA O
DE CRISTALES MUY PEQUEÑOS: TEXTURAS PORFÍDICAS• GENERALMENTE CON VACUOLAS O CAVIDADES
REDONDEADAS POR LAS QUE ESCAPARON LOS GASES.• SI LAS CAVIDADES SON MUY LIGERAS LAS ROCAS SON MUY
LIGERAS Y PUEDEN LLEGAR A FLOTAR (PIEDRA PÓMEZ)
![Page 3: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/3.jpg)
![Page 4: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/4.jpg)
![Page 5: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/5.jpg)
![Page 6: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/6.jpg)
![Page 7: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/7.jpg)
![Page 8: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/8.jpg)
![Page 9: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/9.jpg)
![Page 10: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/10.jpg)
![Page 11: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/11.jpg)
![Page 12: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/12.jpg)
![Page 13: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/13.jpg)
![Page 14: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/14.jpg)
![Page 15: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/15.jpg)
![Page 16: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/16.jpg)
![Page 17: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/17.jpg)
![Page 18: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/18.jpg)
![Page 19: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/19.jpg)
![Page 20: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/20.jpg)
![Page 21: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/21.jpg)
![Page 22: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/22.jpg)
![Page 23: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/23.jpg)
![Page 24: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/24.jpg)
![Page 25: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/25.jpg)
![Page 26: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/26.jpg)
![Page 27: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/27.jpg)
![Page 28: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/28.jpg)
![Page 29: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/29.jpg)
![Page 30: Rocas Volcanicas. Volcanic rocks](https://reader034.vdocuments.mx/reader034/viewer/2022042503/5594c7fe1a28abff238b4605/html5/thumbnails/30.jpg)