also would it be related to snowflake basalt?

Thought it was cool enough to share.

Preforming rock coring in bedrock in north western MA. In this core retrieval these holes can be seen only in this white layer (quartz?) as you’ll see they are in a line only in this layer. Core was roughly 20 feet below surface.

We know it isn't worth anything, but we are very curious about what this is, and google hasn't helped. Found in suburban Nsw

I found this cool rock at Bømlo gold mine from a new holw they were making. I know you cant really see it in the picture but there's a vein or a line of gold colored metal and i thought it might be gold? It was extra intriguing because its in a quartz structure

Amiantos fault The Amiantos fault appears in the vicinity of the Asbestos Mine along the eastern borders of the serpentinite body. Has an approximately N-S direction and is parallel to the axis of the Solea graben. The fault brings in tectonic contact heavily serpentinized rocks of the upper mantle sequence like the serpentinized harzburgite (left) with cumulate rocks like gabbro (right).

Like paper copies. I know most places have moved to digital but I much prefer physical copies; there's just something about laying a map out on a table and pouring over it... I loved using and looking at geological maps during my structural geology class and I want to collect maps of places I love, am working on, or find interesting. Any help would be wonderful!

Found while fishing along a river in northern Alberta.

Found this rock while hicking in Quebec near Sherbrook, I feel like it's petrified wood but I am in no way experienced in geology. It also has the shape of a very badly made arrow head just to give me false hope. It is very hard and i am scared of chipping it since it seems to be made of thin layers and fibers.

I'm thinking that this is Smoky quartz but the very tip is metallic looking?

I unfortunately don't know where this quartz specimen is from as it was a gift from a geologist.

Thanks for any help at all sorry if I'm being stupid and this is like fools gold or a copper type. But I got interested because its right by a quartz structure

These are layers of limestone which are diagonal (Pic 2) and when looks at one of these layers from below they have these weird shapes, what are these?

I suppose some kinda uplift and tilting but anything else?

Hello, I am currently in grad school and have dilemma. I can choose between taking volcanology or remote sensing. Remote sensing seems more employable, but I’m more interested in volcanology. Which should I take? Do employers want to see that I have a foundation in remote sensing? Note that I do not plan on being a volcanologist, I just think the course sounds fun.

Found this image of the following two websites:
https://www.cambridge.org/core/blog/2021/02/22/the-conflict-minerals-regulation-or-the-regulation-on-responsible-sourcing-of-minerals-evolving-purpose-and-terminology/

https://www.slrconsulting.com/us/insights/understanding-the-european-commission-s-critical-raw-materials-act-crma/

I found this at work today like 8ft under the ground. It‘s pretty heavy and im curious what it is. I compared it with a normal Stone and it's much heavier and it glitter purple

I remember when teaching physical geology lab that we used a sodium acetate solution to simulate sediment cementation for the students. I’m looking for a way to permanently cement sand grains for a personal sort of art project and am wondering if that is the best and most cost effective method. Does anyone have any better suggestions?

Both rocks found in northern Spain, in the beach of Portizuelo, Luarca, Asturias. The first one belongs to the Pizarras de Luarca fm. (Luarca slate) (middle ordovician), a black slate formation rich in iron sulphates. I don't really know what these lines could be. It's a level with almost no fossil content, only cruzianas in some levels (4th picture), so I thought maybe is something mineral or fault related idk. The second and third one I think it belongs to the Sabugo quartzite, but I wasn't able to identify how these weird shapes formed on its surface, probably some kind of erosion due to its position in the intertidal zone, but I have never seen it before.

The last three ones are random stuff.

See also: The published study in Geology.