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Nerdy, irreverent designs from a jaded geology professor. More geology tees than you'd ever possibly want.
  1. All I got was this lousy chert (dark ink)
    All I got was this lousy chert (dark ink) by tectoniccity
  2. All I got was this lousy chert (white ink)
    All I got was this lousy chert (white ink) by tectoniccity
  3. I put the man in mantle
    I put the man in mantle by tectoniccity
  4. Pangaea: In memoriam (white letters)
    Pangaea: In memoriam (white letters) by tectoniccity
  5. Ruthie King Kong from Pictionary
    Ruthie King Kong from Pictionary by tectoniccity
  6. Time flies when you're with chickens
    Time flies when you're with chickens by tectoniccity
  7. Yes Plaza
    Yes Plaza by tectoniccity
  8. Everything is recyclable...eventually
    Everything is recyclable...eventually by tectoniccity
  9. Igneous, sedimentary, metamorphic (white ink)
    Igneous, sedimentary, metamorphic (white ink) by tectoniccity
  10. Igneous, sedimentary, metamorphic (black ink)
    Igneous, sedimentary, metamorphic (black ink) by tectoniccity
  11. My data is better than your data
    My data is better than your data by tectoniccity
  12. Minimalist Chart of the Nuclides
    Minimalist Chart of the Nuclides by tectoniccity
  13. Smash the Petri-archy
    Smash the Petri-archy by tectoniccity
  14. Let's Get Geophysical (white ink)
    Let's Get Geophysical (white ink) by tectoniccity
  15. I only date older rocks
    I only date older rocks by tectoniccity
  16. I'm a big fan (an alluvial fan)
    I'm a big fan (an alluvial fan) by tectoniccity
  17. Normal fault (white ink)
    Normal fault (white ink) by tectoniccity
  18. Stereonet (white ink)
    Stereonet (white ink) by tectoniccity
  19. Basalt
    Basalt by tectoniccity
  20. My data is better than your data (white ink)
    My data is better than your data (white ink) by tectoniccity
  21. I'm a lava not a fighter
    I'm a lava not a fighter by tectoniccity
  22. In This Geology House...
    In This Geology House... by tectoniccity
  23. Minimalist QAPF diagram (for light backgrounds)
    Minimalist QAPF diagram (for light backgrounds) by tectoniccity
  24. Normal fault (black ink)
    Normal fault (black ink) by tectoniccity
  25. Please do not put trash in toilets (camping pit toilet sign)
    Please do not put trash in toilets (camping pit toilet sign) by tectoniccity
  26. Soft spot for hard rocks
    Soft spot for hard rocks by tectoniccity
  27. Pangaea: In memoriam (brown letters)
    Pangaea: In memoriam (brown letters) by tectoniccity
  28. That's What She Sediment
    That's What She Sediment by tectoniccity
  29. Pillow basalt - throw pillow
    Pillow basalt - throw pillow by tectoniccity
  30. Michel-Lévy interference color chart
    Michel-Lévy interference color chart by tectoniccity
  31. Minimalist periodic table (black ink)
    Minimalist periodic table (black ink) by tectoniccity
  32. Minimalist QAPF diagram (for dark backgrounds)
    Minimalist QAPF diagram (for dark backgrounds) by tectoniccity
  33. Chert so good
    Chert so good by tectoniccity
  34. Gay geology: normal fault
    Gay geology: normal fault by tectoniccity
  35. Let's Get Geophysical (black ink)
    Let's Get Geophysical (black ink) by tectoniccity
  36. Make America Magma Again
    Make America Magma Again by tectoniccity
  37. Mineralogy is a beryl of laughs
    Mineralogy is a beryl of laughs by tectoniccity
  38. U ain't in my DM (igneous spider diagram)
    U ain't in my DM (igneous spider diagram) by tectoniccity
  39. Lithosexual: lover of rocks
    Lithosexual: lover of rocks by tectoniccity
  40. Minimalist periodic table (white ink)
    Minimalist periodic table (white ink) by tectoniccity
  41. Talc Dirty to Me (white ink)
    Talc Dirty to Me (white ink) by tectoniccity
  42. I will never ever cite you
    I will never ever cite you by tectoniccity
  43. Geology zodiac signs – sticker
    Geology zodiac signs – sticker by tectoniccity
  44. Science is gay
    Science is gay by tectoniccity
  45. Talc Dirty to Me (black ink)
    Talc Dirty to Me (black ink) by tectoniccity
  46. Igneous rock compositions
    Igneous rock compositions by tectoniccity
  47. Romantic phase diagram (black ink)
    Romantic phase diagram (black ink) by tectoniccity
  48. Tree frog design by 7-year-old
    Tree frog design by 7-year-old by tectoniccity
* Comparison prices are references to regular retail prices of the same or similar items in Artist Shops or at third party retail locations. Savings may vary over time.