Diagonal layers of tan, brown, white, gray and black rock are seen in an eroded cliff. Some vegetation is growing at the base and on top. The background is a mostly overcast sky. Valencia Peak Trail in Montaña De Oro State Park, Los Osos, California

#AlphabetChallenge #WeekLforLayers

The layers of sedimentary rocks are so interesting, both in color and the angles. It makes you realize the forces of the earth.

#ECK #Geology #SedimentaryRocks #RockinTuesday #Rocks #WestCoastKin #MontanaDeOro #BlueskyArtShow #Background

In summary, nature is wild.

#Rocks #SedimentaryRocks #Geology #Microorganisms #Nature #NatureIsWild

(there’s also a type of rock called Chert that’s basically the same thing, but silica-based instead of carbon-based.)

en.wikipedia.org/wiki/Chert

#Chert #Rocks #SedimentaryRocks #Geology #Microorganisms

TIL that natural chalk is made of the skeletal remains of tiny sea creatures like plankton;

en.wikipedia.org/wiki/Chalk

#TIL #TodayILearned #Chalk #Rocks #SedimentaryRocks #Geology #Plankton #Microorganisms

While standing on the bluffs at Montaña De Oro State Park, a lot of sedimentary rocks are jutting out of the ocean. The layers are different colors from white to orange to a beige and black. In this location they are at a 90 degree angle to the earth/ocean, and it's apparent that the layers are eroding. Another bluff in the image is a solid white without as much stratification. The ocean is a deep cyan and small waves are coming in. Grassy weeds grow on top of the bluffs under a blue sky. Off in the distance (very faint) is Morro Rock, California. Taken from the Bluffs Trail.

#RockinTuesday #TidesOutTuesday #BlueTue #CyanTue

The bluffs at Montaña De Oro State Park, California

#EastCoastKin #SedimentaryRocks #Strata #WestCoastKin #MontanaDeOro

Original post on mastodon.social

Facies (Petrology 💎)

In geology, a facies is a body of rock with distinctive characteristics. The characteristics can be any observable attribute of rocks and the changes that may occur in those attributes over a geographic area. A facies encompasses all the characteristics of a rock including […]

A captivating grayscale image from the Mars Global Surveyor reveals layered hills in Arabia Terra on Mars. Dark windblown sand surrounds lighter-colored sedimentary rock formations, exhibiting distinct layers suggestive of a long geological history. The image covers an area of approximately 3 kilometers and shows mesas eroded into layered hills with enough space between to drive a truck. The intriguing formations are a subject of ongoing scientific investigation.

Astronomy Picture from 24/12/2003

Layered Hills on Mars

Source: https://apod.nasa.gov/apod/ap031224.html


#MarsMystery #LayeredHills #ArabiaTerra #MarsGeology #SpaceExploration #PlanetaryScience #MarsGlobalSurveyor #RedPlanet #SedimentaryRocks #WindErosion

Volcaniclastics (Volcanology 🌋)

Volcaniclastics are geologic materials composed of broken fragments of volcanic rock. These encompass all clastic volcanic materials, regardless of what process fragmented the rock, how it was subsequently transported, what […]

[Original post on mastodon.social]

#Petrified #Wood containing #Rainbow #Tree #Opal
formed in #SedimentaryRocks The opal is formed when water and #Silica are dissolved in the rocks and then deposited as the rocks cool.
#Photography by The National Opal Collection
#Geology
#Nature

A grayscale image from the Mars Global Surveyor shows a three-kilometer region in Schiaparelli Crater on Mars. The image depicts layered hills and wind-blown sand, creating formations that strikingly resemble a terrestrial coastline. Dark sand appears as “water” in the lower portion of the image. The layered sediments are believed to have formed through ancient deposits, potentially from water or wind, and have since been smoothed and eroded by wind and sandstorms.

Astronomy Picture from 29/11/2009

Ancient Layered Hills on Mars

Source: https://apod.nasa.gov/apod/ap091129.html


#MarsGeology #SchiaparelliCrater #AncientMars #MarsExploration #SpaceExploration #PlanetaryScience #MarsGlobalSurveyor #LayersOfMars #SedimentaryRocks #RedPlanet

Close-up image from the Curiosity rover on Mars showing evidence of an ancient stream. A rock ledge, possibly formed by water erosion, overhangs a bed of small, rounded pebbles suggesting a dried-up streambed. A larger, possibly stream-smoothed rock is circled in the upper right. Scale bar indicates 1cm.

Astronomy Picture from 02/10/2012

An Ancient Stream Bank on Mars

Source: https://apod.nasa.gov/apod/ap121002.html


#MarsCuriosity #AncientMars #WaterOnMars #MarsExploration #SpaceExploration #NASA #MarsRover #CuriosityRover #SedimentaryRocks #PlanetaryScience

Prehistoric rock in Japan uncovers the timeline of ancient ocean anoxia • MUSER PRESS An ancient rock formation on Japan's Mount Ashibetsu has allowed scientists to pinpoint the timing and duration of one of Earth's most extreme env ...

Ancient volcanic rocks in #Japan reveal the timeline of a catastrophic ocean anoxic event 119.5 million years ago, linked to massive CO2 emissions. A stark warning for today’s warming oceans. DOI: doi.org/10.1126/scia... #Anoxia #VolcanicEruptions #SedimentaryRocks #ClimateChange

#SibilliniMountains #nature #landscape #paesaggio #natura #MontiSibillini #ParcoNazionaledeiMontiSibillini #Italia #Italy #rocce #rocks #formazionirocciose #roccesedimentarie #sedimentaryrocks #summer2024 #estate2024 #trekking #escursioni #vitadabiologo #biologistlife