Browse all bags from Tectonic City

• Michel-Lévy interference color chart

• Tree frog design by 7-year-old

• Please do not put trash in toilets (camping pit toilet sign)

• Gay geology: normal fault

• Romantic phase diagram (white ink)

• Minimalist periodic table (white ink)

• Normal fault (black ink)

• Normal fault (white ink)

• Igneous, sedimentary, metamorphic (white ink)

• I only date older rocks

• Petrology words (white ink)

• Petrology words (black ink)

• Stereonet (black ink)

• Talc Dirty to Me (white ink)

• Minimalist QAPF diagram (for dark backgrounds)

• Minimalist QAPF diagram (for light backgrounds)

• Rocks before cocks

• I'm a big fan (an alluvial fan)

• Atomic structure of beryl

• In This Geology House...

• Let's Get Geophysical (white ink)

• Smash the Petri-archy

• Stereonet (white ink)

• U ain't in my DM (igneous spider diagram)