⛏ Thomas Hammerich
@thammerich.bsky.social
⛏ Geologist
🎓 Lecturer / Speaker
🛳 Expedition Leader & Guide
10+ years of exploring the global geology
guiding expedition voyages on land/@sea.
🌱 Seed & plant collector, 🏃♂️🚴♂️🖖 ☕lover
🎓 Lecturer / Speaker
🛳 Expedition Leader & Guide
10+ years of exploring the global geology
guiding expedition voyages on land/@sea.
🌱 Seed & plant collector, 🏃♂️🚴♂️🖖 ☕lover
If you want to know more about Crinoids - here are some details about the anatomy.
(Right picture from Wikipedia)
en.wikipedia.org/wiki/Crinoid
(Right picture from Wikipedia)
en.wikipedia.org/wiki/Crinoid
November 14, 2025 at 8:57 PM
If you want to know more about Crinoids - here are some details about the anatomy.
(Right picture from Wikipedia)
en.wikipedia.org/wiki/Crinoid
(Right picture from Wikipedia)
en.wikipedia.org/wiki/Crinoid
Step 33:
WELL DONE - we are finished!
Hope you enjoyed building your 'Lily of the sea' ?!
WELL DONE - we are finished!
Hope you enjoyed building your 'Lily of the sea' ?!
November 14, 2025 at 8:55 PM
Step 33:
WELL DONE - we are finished!
Hope you enjoyed building your 'Lily of the sea' ?!
WELL DONE - we are finished!
Hope you enjoyed building your 'Lily of the sea' ?!
Steps 31+32:
Now the crinoid is settling onto it's own premises: the hardground to have a stable solid ground!
Now the crinoid is settling onto it's own premises: the hardground to have a stable solid ground!
November 14, 2025 at 8:54 PM
Steps 31+32:
Now the crinoid is settling onto it's own premises: the hardground to have a stable solid ground!
Now the crinoid is settling onto it's own premises: the hardground to have a stable solid ground!
Steps 29+30:
Now it looks ultimately like a crinoid! Almost done... 🤗🤗
Now it looks ultimately like a crinoid! Almost done... 🤗🤗
November 14, 2025 at 8:53 PM
Steps 29+30:
Now it looks ultimately like a crinoid! Almost done... 🤗🤗
Now it looks ultimately like a crinoid! Almost done... 🤗🤗
Steps 27+28:
Now all comes together:
Calyx, Tegmen and stem.
Now all comes together:
Calyx, Tegmen and stem.
November 14, 2025 at 8:52 PM
Steps 27+28:
Now all comes together:
Calyx, Tegmen and stem.
Now all comes together:
Calyx, Tegmen and stem.
Steps 25+26:
We continue with the Tegmen: folding & glueing!
We continue with the Tegmen: folding & glueing!
November 14, 2025 at 8:50 PM
Steps 25+26:
We continue with the Tegmen: folding & glueing!
We continue with the Tegmen: folding & glueing!
Steps 23+24:
We're getting there... Stem is finished! We continue with the Tegmen.
We're getting there... Stem is finished! We continue with the Tegmen.
November 14, 2025 at 8:48 PM
Steps 23+24:
We're getting there... Stem is finished! We continue with the Tegmen.
We're getting there... Stem is finished! We continue with the Tegmen.
Steps 21+22:
Our stem needs an outside layer around it! ...it just looks better... 😅
Our stem needs an outside layer around it! ...it just looks better... 😅
November 14, 2025 at 8:46 PM
Steps 21+22:
Our stem needs an outside layer around it! ...it just looks better... 😅
Our stem needs an outside layer around it! ...it just looks better... 😅
Steps 19+20:
We add more holdfast for even more grip!
Crinoids love strong currents for filter feeding!
We add more holdfast for even more grip!
Crinoids love strong currents for filter feeding!
November 14, 2025 at 8:44 PM
Steps 19+20:
We add more holdfast for even more grip!
Crinoids love strong currents for filter feeding!
We add more holdfast for even more grip!
Crinoids love strong currents for filter feeding!
Steps 17+18:
We continue the holdfast for a strong hold onto the hardground.
We continue the holdfast for a strong hold onto the hardground.
November 14, 2025 at 8:42 PM
Steps 17+18:
We continue the holdfast for a strong hold onto the hardground.
We continue the holdfast for a strong hold onto the hardground.
Step 15+16:
Stem is ready...so we move down to the basement: the holdfast.
Stem is ready...so we move down to the basement: the holdfast.
November 14, 2025 at 8:41 PM
Step 15+16:
Stem is ready...so we move down to the basement: the holdfast.
Stem is ready...so we move down to the basement: the holdfast.
Steps 13+14:
Finally the stem starts to look like something... 👌🏻
Finally the stem starts to look like something... 👌🏻
November 14, 2025 at 8:38 PM
Steps 13+14:
Finally the stem starts to look like something... 👌🏻
Finally the stem starts to look like something... 👌🏻
Steps 11+12:
Building of the stem continues!
Building of the stem continues!
November 14, 2025 at 8:36 PM
Steps 11+12:
Building of the stem continues!
Building of the stem continues!
Steps 9+10:
...more work on the stem needed...
...more work on the stem needed...
November 14, 2025 at 8:35 PM
Steps 9+10:
...more work on the stem needed...
...more work on the stem needed...
Steps 7+8:
Building the stem!
Building the stem!
November 14, 2025 at 8:32 PM
Steps 7+8:
Building the stem!
Building the stem!
Steps 5+6: more calyx!
November 14, 2025 at 8:31 PM
Steps 5+6: more calyx!
After printing & painting 1+2 we are ready to begin to build our first Crinoid!
Steps 3+4: let's start with the "top"...the calyx
Steps 3+4: let's start with the "top"...the calyx
November 14, 2025 at 8:30 PM
After printing & painting 1+2 we are ready to begin to build our first Crinoid!
Steps 3+4: let's start with the "top"...the calyx
Steps 3+4: let's start with the "top"...the calyx
Step 1 & 2:
Print out the basics !
Source:
U.S. DEPARTMENT OF THE INTERIOR / U.S. GEOLOGICAL SURVEY: Crinoids
A computer animation and paper model by Tau Rho Alpha*, Dorothy L. Stout0 and Scott W. Starratt* Open-file Report 97-91A
pubs.usgs.gov/of/1997/0091...
Print out the basics !
Source:
U.S. DEPARTMENT OF THE INTERIOR / U.S. GEOLOGICAL SURVEY: Crinoids
A computer animation and paper model by Tau Rho Alpha*, Dorothy L. Stout0 and Scott W. Starratt* Open-file Report 97-91A
pubs.usgs.gov/of/1997/0091...
November 14, 2025 at 8:26 PM
Step 1 & 2:
Print out the basics !
Source:
U.S. DEPARTMENT OF THE INTERIOR / U.S. GEOLOGICAL SURVEY: Crinoids
A computer animation and paper model by Tau Rho Alpha*, Dorothy L. Stout0 and Scott W. Starratt* Open-file Report 97-91A
pubs.usgs.gov/of/1997/0091...
Print out the basics !
Source:
U.S. DEPARTMENT OF THE INTERIOR / U.S. GEOLOGICAL SURVEY: Crinoids
A computer animation and paper model by Tau Rho Alpha*, Dorothy L. Stout0 and Scott W. Starratt* Open-file Report 97-91A
pubs.usgs.gov/of/1997/0091...
⛏ It's #FossilFriday 🗺 ⚒
Let's start a series of DIY Paper Fossils!
🌸 How about 'Lilies of the Sea' ?!
🔎 Crinoids, also known as sea lilies, are ancient marine animals related to starfish and sea urchins.
📲 🖨 📄 ✂️
#geology #geoscience #paleontology #fossil #kids #DIY
Let's start a series of DIY Paper Fossils!
🌸 How about 'Lilies of the Sea' ?!
🔎 Crinoids, also known as sea lilies, are ancient marine animals related to starfish and sea urchins.
📲 🖨 📄 ✂️
#geology #geoscience #paleontology #fossil #kids #DIY
November 14, 2025 at 8:23 PM
⛏ It's #FossilFriday 🗺 ⚒
Let's start a series of DIY Paper Fossils!
🌸 How about 'Lilies of the Sea' ?!
🔎 Crinoids, also known as sea lilies, are ancient marine animals related to starfish and sea urchins.
📲 🖨 📄 ✂️
#geology #geoscience #paleontology #fossil #kids #DIY
Let's start a series of DIY Paper Fossils!
🌸 How about 'Lilies of the Sea' ?!
🔎 Crinoids, also known as sea lilies, are ancient marine animals related to starfish and sea urchins.
📲 🖨 📄 ✂️
#geology #geoscience #paleontology #fossil #kids #DIY
⛏ #RockyMonday ⚒
Heligoland ‘Fish eyes’: mostly round, dark-coloured concretions of cuprite and/or chalcocite.
🔎 Buntsandstein / Bunter Sandstone (Lower Triassic) 🦕
📷 Rock sample from
📍Heligoland, Schleswig- Holstein, 🇩🇪
#Geology #geoscience #sandstone #sediment #RockArt #rock #Helgoland
Heligoland ‘Fish eyes’: mostly round, dark-coloured concretions of cuprite and/or chalcocite.
🔎 Buntsandstein / Bunter Sandstone (Lower Triassic) 🦕
📷 Rock sample from
📍Heligoland, Schleswig- Holstein, 🇩🇪
#Geology #geoscience #sandstone #sediment #RockArt #rock #Helgoland
November 10, 2025 at 5:51 PM
⛏ #RockyMonday ⚒
Heligoland ‘Fish eyes’: mostly round, dark-coloured concretions of cuprite and/or chalcocite.
🔎 Buntsandstein / Bunter Sandstone (Lower Triassic) 🦕
📷 Rock sample from
📍Heligoland, Schleswig- Holstein, 🇩🇪
#Geology #geoscience #sandstone #sediment #RockArt #rock #Helgoland
Heligoland ‘Fish eyes’: mostly round, dark-coloured concretions of cuprite and/or chalcocite.
🔎 Buntsandstein / Bunter Sandstone (Lower Triassic) 🦕
📷 Rock sample from
📍Heligoland, Schleswig- Holstein, 🇩🇪
#Geology #geoscience #sandstone #sediment #RockArt #rock #Helgoland
🌺 #FlowerFriday 🌿
The #Phaedranassa tunguraguae is growing another flower stalk, 2nd time this year!
Far ahead of the usual time...just 9 months after the last blossom. What an amazing surprise!
🌱 🌴
#Amaryllidaceae #Ecuador #nature #plants #flowers #gardening #plantlovers
The #Phaedranassa tunguraguae is growing another flower stalk, 2nd time this year!
Far ahead of the usual time...just 9 months after the last blossom. What an amazing surprise!
🌱 🌴
#Amaryllidaceae #Ecuador #nature #plants #flowers #gardening #plantlovers
November 7, 2025 at 3:58 PM
🌺 #FlowerFriday 🌿
The #Phaedranassa tunguraguae is growing another flower stalk, 2nd time this year!
Far ahead of the usual time...just 9 months after the last blossom. What an amazing surprise!
🌱 🌴
#Amaryllidaceae #Ecuador #nature #plants #flowers #gardening #plantlovers
The #Phaedranassa tunguraguae is growing another flower stalk, 2nd time this year!
Far ahead of the usual time...just 9 months after the last blossom. What an amazing surprise!
🌱 🌴
#Amaryllidaceae #Ecuador #nature #plants #flowers #gardening #plantlovers
⛏ Midweek geology ⚒
❓ How do Ammonoids look inside?
-》Let's ✂️ & 👀
👉 Ammonoids lived in the world oceans for ~350 million years from early Devonian until the extinction of the Dinosaurs 66my ago.
🔎 Outside of an #Ammonoids #fossil (left) & one with polished inside (right) 👇
❓ How do Ammonoids look inside?
-》Let's ✂️ & 👀
👉 Ammonoids lived in the world oceans for ~350 million years from early Devonian until the extinction of the Dinosaurs 66my ago.
🔎 Outside of an #Ammonoids #fossil (left) & one with polished inside (right) 👇
November 5, 2025 at 3:51 PM
⛏ Midweek geology ⚒
❓ How do Ammonoids look inside?
-》Let's ✂️ & 👀
👉 Ammonoids lived in the world oceans for ~350 million years from early Devonian until the extinction of the Dinosaurs 66my ago.
🔎 Outside of an #Ammonoids #fossil (left) & one with polished inside (right) 👇
❓ How do Ammonoids look inside?
-》Let's ✂️ & 👀
👉 Ammonoids lived in the world oceans for ~350 million years from early Devonian until the extinction of the Dinosaurs 66my ago.
🔎 Outside of an #Ammonoids #fossil (left) & one with polished inside (right) 👇
👻 Happy Halloween! 💀
A tupilak is a mystical being created by a shaman from animal and other body parts and brought to life through rituals.
📍 Inuit carving from 🇬🇱 /Sisimiut
#KalaalitNunaat #Greenland #Grønland #HappyHalloween #Halloween
A tupilak is a mystical being created by a shaman from animal and other body parts and brought to life through rituals.
📍 Inuit carving from 🇬🇱 /Sisimiut
#KalaalitNunaat #Greenland #Grønland #HappyHalloween #Halloween
October 31, 2025 at 5:06 PM
👻 Happy Halloween! 💀
A tupilak is a mystical being created by a shaman from animal and other body parts and brought to life through rituals.
📍 Inuit carving from 🇬🇱 /Sisimiut
#KalaalitNunaat #Greenland #Grønland #HappyHalloween #Halloween
A tupilak is a mystical being created by a shaman from animal and other body parts and brought to life through rituals.
📍 Inuit carving from 🇬🇱 /Sisimiut
#KalaalitNunaat #Greenland #Grønland #HappyHalloween #Halloween
⛏ #RockyMonday ⚒
A few rocky impressions to start the new week!
🔎 Cave sediment / concretion
📏 Width: 8 cm or 3.15 inches
📷 Rock sample from
📍Sardinia, 🇮🇹 Italy
#Geology #geoscience #sediment #concretion #RockArt #rock #soil #carst #carbonate #Sardinia #Italy
A few rocky impressions to start the new week!
🔎 Cave sediment / concretion
📏 Width: 8 cm or 3.15 inches
📷 Rock sample from
📍Sardinia, 🇮🇹 Italy
#Geology #geoscience #sediment #concretion #RockArt #rock #soil #carst #carbonate #Sardinia #Italy
October 20, 2025 at 4:08 PM
⛏ #RockyMonday ⚒
A few rocky impressions to start the new week!
🔎 Cave sediment / concretion
📏 Width: 8 cm or 3.15 inches
📷 Rock sample from
📍Sardinia, 🇮🇹 Italy
#Geology #geoscience #sediment #concretion #RockArt #rock #soil #carst #carbonate #Sardinia #Italy
A few rocky impressions to start the new week!
🔎 Cave sediment / concretion
📏 Width: 8 cm or 3.15 inches
📷 Rock sample from
📍Sardinia, 🇮🇹 Italy
#Geology #geoscience #sediment #concretion #RockArt #rock #soil #carst #carbonate #Sardinia #Italy
🌺 #FlowerFriday 🌿
Update!
The #Phaedranassa tunguraguae bulb has spread and developed a bastard branch. A new shoot grows directly at the edge of the pot.
🌱 🌴
#Amaryllidaceae #Ecuador #nature #plants #flowers #gardening #plantlovers
Update!
The #Phaedranassa tunguraguae bulb has spread and developed a bastard branch. A new shoot grows directly at the edge of the pot.
🌱 🌴
#Amaryllidaceae #Ecuador #nature #plants #flowers #gardening #plantlovers
October 10, 2025 at 3:38 PM
🌺 #FlowerFriday 🌿
Update!
The #Phaedranassa tunguraguae bulb has spread and developed a bastard branch. A new shoot grows directly at the edge of the pot.
🌱 🌴
#Amaryllidaceae #Ecuador #nature #plants #flowers #gardening #plantlovers
Update!
The #Phaedranassa tunguraguae bulb has spread and developed a bastard branch. A new shoot grows directly at the edge of the pot.
🌱 🌴
#Amaryllidaceae #Ecuador #nature #plants #flowers #gardening #plantlovers