saÍmos agora e volvemos despois do recreo
DESCRIPTION
SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO. Un itinerario xeolóxico pola vila de Allariz. Restos da muralla medieval. Granito Meteorización. Muralla. Granito Marca de canteiro. Primeira parada. Desagregación areosa Placas de meteorización. Primeira parada. Sedimentos ao pé da muralla. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/1.jpg)
SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO
Un itinerario xeolóxico pola vila de Allariz
![Page 2: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/2.jpg)
![Page 3: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/3.jpg)
Restos da muralla medieval
• Granito• Meteorización
![Page 4: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/4.jpg)
Muralla
• Granito
• Marca de canteiro
![Page 5: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/5.jpg)
Primeira parada
• Desagregación areosa
• Placas de meteorización
![Page 6: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/6.jpg)
Primeira parada
• Sedimentos ao pé da muralla
![Page 7: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/7.jpg)
Restos da muralla medieval
• Sucesión primaria• Liques• Bioindicadores
![Page 8: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/8.jpg)
De camiño á segunda parada
• Foxo
• Antiga canalización
![Page 9: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/9.jpg)
Restos da muralla medieval
• Microclima
![Page 10: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/10.jpg)
Muro de contención de Santo Estevo
![Page 11: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/11.jpg)
Segunda parada. Diáclases ortogonais.
![Page 12: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/12.jpg)
Segunda parada
• Zonas con granito moi descomposto.
• Erosión diferencial.
![Page 13: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/13.jpg)
Niños de insectos
![Page 14: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/14.jpg)
Terceira parada
• Filón• Erosión diferencial
![Page 15: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/15.jpg)
Terceira parada
• Falla
![Page 16: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/16.jpg)
Terceira parada
• Granito orientado
• Pegmatita
![Page 17: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/17.jpg)
Terceira parada
• Acción das raíces
![Page 18: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/18.jpg)
Cuarta parada. Pía. ¿Cal?
![Page 19: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/19.jpg)
Ocos de canteiría
![Page 20: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/20.jpg)
Diáclases de descompresión
![Page 21: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/21.jpg)
Chaira de inundación. Meandro.
![Page 22: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/22.jpg)
Castelos
![Page 23: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/23.jpg)
Falla do Arnoia.Risco de inundación.
![Page 24: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/24.jpg)
• Cambios de uso do territorio
![Page 25: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/25.jpg)
Distribución vexetación.Impacto visual
![Page 26: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/26.jpg)
Quinta parada.Cachola na Acearrica
![Page 27: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/27.jpg)
Canle próxima ao río
• Observación de sedimentos
![Page 28: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/28.jpg)
Coluvión sobre sábrego
![Page 29: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/29.jpg)
Xabre
![Page 30: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/30.jpg)
• Retención de sedimentos na vexetación semiflotante
![Page 31: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/31.jpg)
De camiño á sexta parada.Pequena cova. Cachola.
![Page 32: SAÍMOS AGORA E VOLVEMOS DESPOIS DO RECREO](https://reader035.vdocuments.mx/reader035/viewer/2022062309/56813e54550346895da8435a/html5/thumbnails/32.jpg)
Sexta parada. Pedra cabaleira