~Michigan, It’s Chemistry and Geologic Wealth~ Copyright, Betty J. White, 2023, popular science writer, updated 2026 Learn about: -the geology of Michigan. - the Periodic Table. -Potassium, Iron, Copper, Zinc, and Shigaite, a rare, and I mean very rare, mineral. - The car industry from the “Woody” to steel production. Includes an Easel Assessment. Suggested for grades 9 on up. Note: a copy of the Periodic Table and a County Map of Mi