subduction related rocks Examples from Jenner Beach CA Franciscan Complex after Catlos and Sorensen 2003 Late Jurassicearly Cretaceous age peak P 0912 GPa peak T 500700 C Case Study Franciscan ID: 1022192
Download Presentation The PPT/PDF document "What are the minerals and textures obser..." is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.
1. What are the minerals and textures observed in subduction-related rocks?Examples from Jenner Beach, CAFranciscan Complex
2. after Catlos and Sorensen, 2003Late Jurassic-early Cretaceous agepeak P ~ 0.9-1.2 GPapeak T ~ 500-700°CCase Study: Franciscan Complex
3. Jenner Beach – Mélange blocks eroded from the nearby hillsides Geologists from around the world flock to Jenner Beach.Image Courtesy of Sarah Penniston-Dorland
4. BlueschistPPLGARAMPHPHEPHE=Phengite, GAR=Garnet, AMPH=AmphiboleImage Courtesy of Sarah Penniston-Dorland
5. BlueschistXPLGARAMPHPHEImage Courtesy of Sarah Penniston-Dorland
6. BlueschistPPLPHE=Phengite, GAR=Garnet, AMPH=AmphiboleGARAMPHPHEImage Courtesy of Sarah Penniston-Dorland
7. BlueschistXPLAMPHPHEGARImage Courtesy of Sarah Penniston-Dorland
8. EclogitePPLGARAMPHPHECHLOMPHCHL=Chlorite, OMPH=OmphaciteImage Courtesy of Sarah Penniston-Dorland
9. EclogiteXPLCHL=Chlorite, OMPH=OmphaciteGARAMPHPHECHLOMPHImage Courtesy of Sarah Penniston-Dorland
10. EclogitePPLTTN=Titanite, EPI=EpidoteTTNEPIImage Courtesy of Sarah Penniston-Dorland
11. EclogiteXPLTTNEPITTN=Titanite, EPI=EpidoteImage Courtesy of Sarah Penniston-Dorland