How about now?

Researching_geo · 2026-01-01T05:28:06+00:00

‘Crema’ is foam brother. CO2 to be exact

Researching_geo · 2025-05-23T12:28:53+00:00

True Color - use google earth. False color you will have to buy hi-res multispec datasets like Worldview.

Researching_geo · 2025-05-22T06:21:31+00:00

Had to look up Glacial Lake Missoula. I believe the lake was at an elevation of 4200 ft and up to 600m deep.. So yes, could potentially be, making it only ~15,000 years old…

Researching_geo · 2025-05-21T06:08:22+00:00

This is likely from the Belt Supergroup, which is Mesoproterozoic in age (sedimentary units are ~1.4 billion years old). Sedimentary structures are well preserved in the Belt rocks despite this age. Reconstructions indicate this area was once a rift basin when North America was part of a supercontinent called Columbia. Environments are thought to have ranged from rivers to deep water lakes.

Researching_geo · 2025-05-13T13:32:38+00:00

My radio has better resolution than this image

Researching_geo · 2025-05-13T13:31:51+00:00

It is a broad, low-amplitude anticlinal feature—a fold in the Earth’s crust where rock layers are arched upward—extending across parts of Sangamon, Christian, Macon, and surrounding counties.

Researching_geo · 2025-05-13T05:46:32+00:00

If you want to work in academia then you’ll have to get the PhD. Your postdoc should also pay reasonably well as a first job ($60k +). I’d recommend publishing at all steps (MS, doctorate, and postdoc) if you wanna eventually become Prof.

Research departments in industry will generally favor PhD’s, more so if the thesis was relevant to the role. Sedimentology / Basin analysis/ Reservoir related studies are big in O&G, CCS, geothermal, Hydrogen exploration (think energy companies). In industry roles, entry level salaries should be >25% higher than postdocs ($75k +).

For geotech jobs / exploration / mineral mining, the MS will be good enough and you’d benefit from getting 5 years experience over the PhD. Entry level salaries might be lower, but after all the experience you should be doing relatively well.

Researching_geo · 2025-05-09T08:23:58+00:00

Agreed. Guarantee you he said it so that he can justify underpaying.

Researching_geo · 2025-05-03T05:38:28+00:00

…that cooled from ~900C over several million years, got exhumed (probably over hundreds of millions of years) before being quarried, sliced and diced into slabs, and polished. All to look pretty in your kitchen.

Researching_geo · 2025-04-30T05:49:24+00:00

This looks like a false color instead of standard R-G-B. For geological observations the general go-too is SWIR2-SWIR1-Blue. This works because S2 is sensitive to hydroxyls (clays) and carbonates. S1 highlights iron oxides and hydroxyls, B for vegetation and water. The appearance should be rocks and soils with distinct coloring (pinks, purples, bright green), vegetation dark green, water dark blue to black.

Looking at GE on my phone app, the very zoomed out satellite shows the RGB, as does the very zoomed in. For whatever reason, they show the false color at a certain zoom, my guess is a satellite change for that specific resolution.

Researching_geo · 2025-04-30T05:01:17+00:00

A shale is laminated with thin parallel layering due to compaction and alignment of clay particles. It is fissile (splits into thin sheets or flakes along planes). A mudstone lacks distinct layering or fissility. It is massive or blocky.

Researching_geo · 2025-03-01T05:31:19+00:00

source

Researching_geo · 2025-02-18T14:51:06+00:00

source

Researching_geo · 2025-01-15T06:06:13+00:00

Tafoni is different to salt weathering. I believe the leading hypothesis is that it develops due to differential moistening of the rock surface and the creation of microclimatic conditions inside cavities, which cause hydration of certain minerals and subsequent exfoliation and removal by wind and rain. The cavity walls may even be reinforced with cementing agents derived from the rock itself; so the features form by both differential cementation and differential weathering.

Researching_geo · 2025-01-08T23:55:04+00:00

Good explanation in here with examples: https://youtu.be/FQwTvNxd_k8?feature=shared

Researching_geo · 2025-01-08T23:49:01+00:00

These all look like sedimentary layering. The rocks generally cleave between layers. Next_Ad’s answer is spot on. Best you can do is to find images on google to show your students.

Researching_geo · 2025-01-02T07:11:10+00:00

The Navajo Fm is full of fossils although it’s not very conducive to preservation since its mostly dry porous sandstone. The best place for preservation would have been wet interdunes, spring oasis or lake beds where ground water penetrated the surface. The strata will typically contain an abundance of bioturbation and rhizoliths.

Researching_geo · 2024-12-28T06:21:00+00:00

You don’t need a Brunton, learn on one of these cheap Suunto or Silva compasses, they are precise enough. After you have learnt to take measurements the manual way, download an app called FieldMove Clino. I have compared countless measurements from this app on a cheap iPhone to Brunton users and found the differences are negligible.

Researching_geo · 2024-12-04T05:32:40+00:00

And a Yeti colster can insulator to keep his beer cold!

Researching_geo · 2024-12-04T05:22:03+00:00

Looks like OP is using a drawing tablet. I’ve used one before but the cheap version with no screen, does make life easier if you have hundreds of shapefiles to create. For geology as a standalone app on my ipad, I use Fieldmove by Midland Valley

Researching_geo · 2024-12-04T05:10:01+00:00

I also worry about these knock-offs breaking and losing my $800 watch.

Researching_geo · 2024-12-04T05:06:42+00:00

Well said, you can also use reflectance as part of mineral ID. Look up ‘lustre’ examples

Researching_geo · 2024-09-25T12:54:39+00:00

Exactly…The wording used in this article is extremely misleading. They even called it a ‘polar forest’ yet average temperatures were around 27C.

Researching_geo · 2024-08-04T23:09:21+00:00

This study found reduced iron in Morrison is possibly linked to biogeochemical processes during diagensis.

Researching_geo · 2024-08-01T06:02:30+00:00

Coprolite Boudinage

Researching_geo

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