The amazing geology of this creek!

The website is in french, but if you're curious : ecoledelaterre.com

As a geologist that loves to tinker, cleaning up old sticky pocket transits is therapeutic. Also lubed and calibrated bubble levels. This Ainsworth Brunton is ready for another 50 years of analog measurements.

I'm looking for some natural basalt to practice jewelry cutting as a hobby, are there any natural areas where I can find palm sized stones?

Edited to update: Thanks for the replies! I noticed the tunnels also run under our driveway which is right next to this area, so I ended up calling a sinkhole/foundation company to come out and check.

There are multiple holes in this one area of my back yard and the ground around the holes is soft. I assumed that a critter originally made them, but is no longer being used. The holes have been there neglected for many years and so rainwater may have created bigger problems. I tried to slurry/wet pack one with new dirt, but the hole kept falling down further as I packed, and the slurry wasn’t going to the horizontal tunnels. So, I figured I’d just dig it all up, but they went deeper and more horizontal than I was expecting. I just read that I’m in a sinkhole prone area due to karst, so now I’m really worried.

on my second day on grand manan we visited deep cove beach and the southwest head cliffs.

deep cove's bedrock is late triassic dark harbour basalt, seven days' work member: medium grey, medium-gained vesicular lava flows with dikes and small sills. these would be l, i believe part of the fissure eruptions that filled the bay of fundy when pangea was breaking up. i am not a geologist obviously, only an enthusiast, but i was really fascinated by the flowy look of some of the rocks here, perhaps due to the wearing action of the tides. i also found an interesting rock (amygdule?) here with a blue-green colour i've never seen in the maritimes before.

from southwest head lighthouse you can see the columnar basalts of the southwest head member: dark grey, medium- to coarse-grained tholeiitic columnar lava flows, pooled within the grand manan basin, a sub-basin of the fundy basin.

apologies for the photo quality, credit to Greg McHone, http://earth2geologists.net/grandmanangeology/

On one of the last pictures, I am truly puzzled, what are we seeing? A neolithic projectile Stück in a skull?

I've learned a little about them over time, and I'm interested in the End-Permian extinction, but I don't really understand how they would appear to some wandering creature at the time. I've seen maps of the Siberian Traps extention, and it appears to cover a huge portion of land in Asia, and the only thing I can think of is either some hellish lava landscape or a sort of Yellowstone National Park geothermal environment on a massive scale. Anyone have any insights?

Since the earth has been cooling down; all the liquid stuff has to become solid and shrink in size right? So doesn't that mean the radius of earth was somewhat bigger before and that the crust was further away from the core than it is at the present? Even a 0.001% change in volume would mean that the radius is longer by kilometers right?

Sorry if I sound stupid, I'm just a high school student who's starting to get into geology.

Just lying there on the riverside a few minutes away on foot!

Hi everyone! TYIA

My husband is a geologist and loves Michigan. He's been talking about taking me to the UP since we met 6 years ago and I decided to surprise him with a trip there. He knows we're going on a trip, but has no idea where or any details. He is such a great trip planner and I want to do the same for him in return. The trip is planned for September this year.

He loves going to obscure places and looking for minerals native to that area.

Does anyone have any recommendations on places for me to put into our itinerary?

So far I have:

-Pictured Rock

-Presque Isle Park

-Canyon Falls

-Hungarian Falls

-Agate Beach

-Porcupine Mountains Wilderness

Please let me know if any of these aren't worth putting in the trip and any places you recommend.

Thank you!!

Pulled the big piece (1st and 3rd pic) out of a moss-blanket and then spotted a mud filled cleft (4th after removing the moss). From than on it was digging time XD. Tho i only got the easiest pieces out (There are still some nice ones in the back of the cleft, so i will revisit definetly).

And although most pieces are covered in limonite, dirt and heavily iron stained, these 2 pieces, which so far are the best ones, i will leave like this (minor iron staining, the dirt i might still remove), cause they look awesome!

The Area ive found this Alpine quartz-cleft in is located in the Hohe Tauern, southern Salzburg. And next time i will wear a helmet as the Rockwall above is overhanging XD.

The Philippines to its South and Japan slightly to its North are filled with Volcanoes. What happened to Taiwan?

Hello, this is my first time posting in geology. Due to my desire for realism I decided to ask. What is the problem with tectonic plates? And what should I change to not make it look messed up?

Note:
The large land in the Right is a super continent with 2 land colliding together eventually forming a mountain between the two of them like how the Indian subcontinent join Asia
The size of planet is large as half of Jupiter (I'm not sure if this would help)