1. L.O: LAB #19: IGNEOUS ROCK IDENTIFICATION.
DO NOW: TAKE OUT YOUR REFERENCE TABLE.
READ THE LAB INTRODUCTION

2. Open the ESRT to page 6.

3. The Scheme for Igneous Rock Identification
Learning Target: students will identify seven igneous rocks in a laboratory setting using their Earth Science Reference Tables and their knowledge of igneous rocks.

4. A Brief Tour

5. Learning Target: students will identify seven igneous rocks
Grain Size
Crystal size
Description OF TEXTURE
Learning Target: students will identify seven igneous rocks

6. Igneous rocks have “Intergrown Crystals”
Learning Target: students will identify seven igneous rocks

7. Intergrown
Learning Target: students will identify seven igneous rocks

8. Intergrown
Learning Target: students will identify seven igneous rocks

9. Intergrown
Learning Target: students will identify seven igneous rocks

10. Not Intergrown
Learning Target: students will identify seven igneous rocks

11. Outside the volcano: Extrusive
Inside the Earth: Intrusive
Where it was formed
Learning Target: students will identify seven igneous rocks

12. Bubbles?
Yes= Vesicular
Learning Target: students will identify seven igneous rocks

13. Bubbles?
No=Non-vesicular
Learning Target: students will identify seven igneous rocks

14. Neither Light nor Dark
Very Light
Color
NotVery Light
Not Very Dark
Very Dark
Light
Dark
Darkest
Lightest
Learning Target: students will identify seven igneous rocks

15. Medium Density
Very Light
Density
Light
Dense
Very Dense
Learning Target: students will identify seven igneous rocks

16. Felsic
Mafic
Intermediate

17. Learning Target: students will identify seven igneous rocks
Finding The Minerals
Identify the rock.
Unless you have other information,
work in the middle of the rock’s box.
Learning Target: students will identify seven igneous rocks

18. Learning Target: students will identify seven igneous rocks
This is the amount of Potassium Feldspar in the rock.
Learning Target: students will identify seven igneous rocks

19. This is the amount of Quartz in the rock.
Learning Target: students will identify seven igneous rocks

20. Learning Target: students will identify seven igneous rocks
This is the amount of Plagioclase Feldspar in the rock.
Learning Target: students will identify seven igneous rocks

21. Learning Target: students will identify seven igneous rocks
Use tick marks on a scrap paper to measure the percentage.
Potassium Feldspar 25%
Quartz 40%
Learning Target: students will identify seven igneous rocks

22. Learning Target: students will identify seven igneous rocks
Name a light-colored, fine-grained
rock with no bubbles.
Practice:
Learning Target: students will identify seven igneous rocks

23. Name a coarse-grained, dense rock.
Learning Target: students will identify seven igneous rocks

24. Learning Target: students will identify seven igneous rocks
Name a very light-colored, glassy,
extrusive rock with bubbles.
Learning Target: students will identify seven igneous rocks

25. Name a rock that has biotite mica in it, is an intermediate rock, is fine grained and non-vesicular.