Pennsylvania Earth Sciences Association (PESA)
141 subscribers
7:57
Presenting Mineralfest - fossil, gem, and mineral show! #fossil #gemstone #geology #minerals #rocks
Pennsylvania Earth Sciences Association (PESA)
27 views • 3 days ago
9:35
Fossil corals of the world #geology #fossil #fossillovers #coral
Pennsylvania Earth Sciences Association (PESA)
2 views • 3 days ago
8:20
Amphibole Minerals - geology's supergroup #geology #mineral
Pennsylvania Earth Sciences Association (PESA)
13 views • 3 days ago
11:56
Those magnificent mica minerals!
Pennsylvania Earth Sciences Association (PESA)
48 views • 6 days ago
16:23
Marine Reptiles - liopleurodon, titanoboa, and plesiosaurs (oh, my!) #geology #fossil
Pennsylvania Earth Sciences Association (PESA)
175 views • 6 days ago
18:24
Mineralogy Icon - Marge Matula and her Marvelous Mineral!
Pennsylvania Earth Sciences Association (PESA)
24 views • 2 weeks ago
16:07
Mastodon or Mammoth - Pleistocene elephants on parade! #fossil #geology #iceage
Pennsylvania Earth Sciences Association (PESA)
421 views • 3 weeks ago
16:18
Lepidodendron - the famous 'scale tree' from the fabric of time
Pennsylvania Earth Sciences Association (PESA)
87 views • 1 month ago
28:39
Identifying fossils, minerals, and rocks
Pennsylvania Earth Sciences Association (PESA)
22 views • 1 month ago
13:35
Lapis Lazuli - a geologic palette
Pennsylvania Earth Sciences Association (PESA)
69 views • 1 month ago
9:12
Kyanite - metamorphism in action
Pennsylvania Earth Sciences Association (PESA)
70 views • 1 month ago
9:57
PESA Presents - Isotelus; the giant trilobites that charmed a state!
Pennsylvania Earth Sciences Association (PESA)
141 views • 1 month ago
10:37
PESA Presents - Iron and iron ore minerals
Pennsylvania Earth Sciences Association (PESA)
58 views • 1 month ago
44:17
PESA July Meeting - Lapidary with Don Pitkin
Pennsylvania Earth Sciences Association (PESA)
44 views • 1 month ago
18:26
I like (prehistoric) turtles!
Pennsylvania Earth Sciences Association (PESA)
46 views • 2 months ago
7:15
Gypsum - the mineral that builds our world
Pennsylvania Earth Sciences Association (PESA)
45 views • 2 months ago
9:19
Halite - the salt of the Earth
Pennsylvania Earth Sciences Association (PESA)
18 views • 2 months ago
17:54
The (strange and unusual) sloths of the fossil record - cave divers & giants bigger than elephants
Pennsylvania Earth Sciences Association (PESA)
123 views • 2 months ago
23:54
Thunder Struck - the earth shaking stride and lives of the giant sauropods
Pennsylvania Earth Sciences Association (PESA)
169 views • 2 months ago
14:12
The rainbow world of gemstones - PESA Presents #gemstone #gems #gemstones #geology #lapidary
Pennsylvania Earth Sciences Association (PESA)
538 views • 3 months ago
45:43
PESA June Garnets by Travis Steigerwalt
Pennsylvania Earth Sciences Association (PESA)
26 views • 3 months ago
21:00
Attending (or Vending) at a fossil, gem, and mineral show
Pennsylvania Earth Sciences Association (PESA)
20 views • 3 months ago
21:31
(Really) Big Birds - the rise of giant prehistoric fossil birds
Pennsylvania Earth Sciences Association (PESA)
150 views • 3 months ago
48:42
PESA May Meeting - Rocking the Rainbow: Why Minerals Have Color
Pennsylvania Earth Sciences Association (PESA)
28 views • 3 months ago
11:52
PESA Presents - Galena, the ancient ore of lead
Pennsylvania Earth Sciences Association (PESA)
75 views • 4 months ago
6:34
PESA Presents - Garnet (the international minerals of mystery)
Pennsylvania Earth Sciences Association (PESA)
114 views • 4 months ago
22:12
Fluorescent Minerals (and why they don't really 'glow in the dark') #mineral #rockhounding #geology
Pennsylvania Earth Sciences Association (PESA)
66 views • 4 months ago
9:51
PESA Presents - Fluorite (the state mineral of Illinois)
Pennsylvania Earth Sciences Association (PESA)
85 views • 4 months ago
3:21
PESA Presents - Crocoite, the lead chromium mineral
Pennsylvania Earth Sciences Association (PESA)
16 views • 5 months ago
10:16
PESA Presents - Ferns in and out of the Fossil Record
Pennsylvania Earth Sciences Association (PESA)
46 views • 5 months ago
Load More