WORD SPIRAL

Starting from 1, fill in the grid clockwise with four-letter words. The last letter of each word becomes the first letter of the next to reveal an Igneous rock. 1. Untidy state 2. Moving at a low speed 3. Broad 4. Therefore 5. Egg-shaped

6. For fear that 7. Small branch 8. Equipment 9. Housetop 10. Matted fabric 11. Strong taste 12. Increase in size 13. Twist out of shape 14. Knitting stitch 15. Arm or leg 16. Grain husks