I’m about to finish my final year of undergraduate, and I’m planning on going on to earn my Master’s degree in geology once I graduate. I’m just now starting to look at grad schools, but there’s just so many options. Does anyone have recommendations for really good geology graduate programs? I know for sure that I do not… Continue reading Geology graduate programs?
Beryl crystals in pegmatite
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Precious Opals
Specimens from American Museum of Natural History - NYC Image by author
Minerals of the World
Super happy with my new poster! Every time I would go to the Field Museum in Chicago, I’d always look for this poster but it would always be the /one/ that was out of stock. Last week I went to the American Museum of Natural History in NYC, and they actually had this poster in… Continue reading Minerals of the World
Terms to Know!
Relevant for structure and mapping
Tourmaline
Tourmaline (Elbaite) - Newry, Maine American Museum of Natural History Image by author
Ammonite
Ammonite (Placenticeras intercalare) Bearpaw Formation, Lethbridge, Alberta, Canada 75 million years old American Museum of Natural History - NYC Image by author
Sudbury Impact – 1.85 Ga
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Microcline
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Vein quartz
If a channelway for hydrothermal solutions is left incompletely filled with mineral matter, there may be cavities, or “vugs” in the deposit which will be lined with inward pointing crystals. These are quartz crystals, showing mainly the pyramid (or, more exactly, rhombehedron) faces. The quartz was deposited on a rounded surface of hydrothermal hematite (Fe2O3)… Continue reading Vein quartz
Emily Zawacki, Ph.D. 