Lapis Lazuli - a geologic palette
13:35
Lapis Lazuli - a geologic palette
Күн бұрын
Kyanite - metamorphism in action
9:12
Kyanite - metamorphism in action
Күн бұрын
PESA Presents - Isotelus; the giant trilobites that charmed a state!
9:57
PESA Presents - Isotelus; the giant trilobites that charmed a state!
14 күн бұрын
PESA Presents - Iron and iron ore minerals
10:37
PESA Presents - Iron and iron ore minerals
14 күн бұрын
PESA July Meeting - Lapidary with Don Pitkin
44:17
PESA July Meeting - Lapidary with Don Pitkin
21 күн бұрын
I like (prehistoric) turtles!
18:26
I like (prehistoric) turtles!
Ай бұрын
Gypsum - the mineral that builds our world
7:15
Gypsum - the mineral that builds our world
Ай бұрын
Halite - the salt of the Earth
9:19
Halite - the salt of the Earth
Ай бұрын
The (strange and unusual) sloths of the fossil record - cave divers & giants bigger than elephants
17:54
The (strange and unusual) sloths of the fossil record - cave divers & giants bigger than elephants
Ай бұрын
Thunder Struck - the earth shaking stride and lives of the giant sauropods
23:54
Thunder Struck - the earth shaking stride and lives of the giant sauropods
Ай бұрын
The rainbow world of gemstones - PESA Presents
14:12
The rainbow world of gemstones - PESA Presents
Ай бұрын
PESA June Garnets by Travis Steigerwalt
45:43
PESA June Garnets by Travis Steigerwalt
2 ай бұрын
Attending (or Vending) at a fossil, gem, and mineral show
21:00
Attending (or Vending) at a fossil, gem, and mineral show
2 ай бұрын
(Really) Big Birds - the rise of giant prehistoric fossil birds
21:31
(Really) Big Birds - the rise of giant prehistoric fossil birds
2 ай бұрын
PESA May Meeting - Rocking the Rainbow: Why Minerals Have Color
48:42
PESA May Meeting - Rocking the Rainbow: Why Minerals Have Color
2 ай бұрын
PESA Presents - Galena, the ancient ore of lead
11:52
PESA Presents - Galena, the ancient ore of lead
2 ай бұрын
PESA Presents - Garnet (the international minerals of mystery)
6:34
PESA Presents - Garnet (the international minerals of mystery)
2 ай бұрын
Fluorescent Minerals (and why they don't really 'glow in the dark') - PESA Presents
22:12
Fluorescent Minerals (and why they don't really 'glow in the dark') - PESA Presents
3 ай бұрын
PESA Presents - Fluorite (the state mineral of Illinois)
9:51
PESA Presents - Fluorite (the state mineral of Illinois)
3 ай бұрын
PESA Presents - Crocoite, the lead chromium mineral
3:21
PESA Presents - Crocoite, the lead chromium mineral
3 ай бұрын
PESA Presents - Ferns in and out of the Fossil Record
10:16
PESA Presents - Ferns in and out of the Fossil Record
3 ай бұрын
PESA Presents - Feldspar Minerals
6:40
PESA Presents - Feldspar Minerals
4 ай бұрын
PESA April Meeting - MidWest Collecting
58:51
PESA April Meeting - MidWest Collecting
4 ай бұрын
Fossil Frauds, Fakes, Funnies, and Phonies - when paleontological progress goes 'boink'
35:50
Fossil Frauds, Fakes, Funnies, and Phonies - when paleontological progress goes 'boink'
4 ай бұрын
PESA Presents - Archaeopteris, King of the Ancient Forests
6:12
PESA Presents - Archaeopteris, King of the Ancient Forests
4 ай бұрын
PESA Presents - Armored dinosaurs
5:52
PESA Presents - Armored dinosaurs
4 ай бұрын
PESA Presents - Celestine, a common candidate for the official mineral of Pennsylvania
13:05
PESA Presents - Celestine, a common candidate for the official mineral of Pennsylvania
4 ай бұрын
PESA Presents - Dolomite
5:16
PESA Presents - Dolomite
4 ай бұрын
PESA March Meeting - Mine Lighting History
48:31
PESA March Meeting - Mine Lighting History
4 ай бұрын
Пікірлер