I have a homework assignment thats immposible. IT says I need to find the 12 igneous rocks. And here they are. Can you please tell me which 12 rocks out of these 23 are IGNEOUS rocks. Thank you.here they are1. Diorite2. Andesite3. Shale4. Limestone5. Scoria6. Slate7.Felsite8. Obsidian9.Clay10. Chalk11.Tuff12. Basalt13. Marble14. Gabbro15. Schist16. Syenite17. Rhyolite18. Granite19. Breccia20. Sandstone21. Gneiss22. Dolomite23. Pummice
Out of the 23 mentioned rocks, following are igneous: 1.Diorite 2. Andesite 5. Scoria 7.Felsite 8. Obsidian 11.Tuff 12. Basalt 14. Gabbro 16. Syenite 17. Rhyolite 18. Granite 23. Pummice
diorite, andesite, scoria, obsidian, tuff, basalt, gabbro, syenite, rhyolite, granite, pumice, felsite. their all of volcanic origin so here you go
