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Fossils

This category is for questions about the bones, fragments, imprints, and other remainders from a different time. The questions and answer you will find here are history set in stone -- our past, immortalized in solid rock. You will also be able to find questions pertaining to the locations of these fossils, how you might identify them, and how they were formed.

3,454 Questions

Is a gem considered a crystal?

Rock crystal (white) is a variety of a quartz (gemstone). Crystal may also refer to man-made glass in general sense. Some of the other variety of quartz are Amethyst (violet), Citrine (yellow to golden), Smoky quartz (brown to gray), Rose quartz (pink), etc.

How much is a mullusk fossils worth?

well generally it depends on the specific type of mullusk fossil, to fully determine the value i would need to know specifically what its features are and whether it is a small or large fossil. If i could somehow see a picture i would be able to determine the value appropriatly. Ussually a Mullusk fossil is quite common but sometimes in isolated areas they can become rare. i would say that according to this post its value would be somewhere between US $15-$20. So i would sugest keeping it as a momento or as a token instead of cashing it in for the small value it is worth.

thankyou Dr Billson

It is a fairly big size rock that has about a two inch sea shell on it and looks really old and has some chunks out of it.

When a sandstone contains appreciable quantities of feldspar the rock is called arkose?

Yes, arkose is a type of sandstone that contains a significant amount of feldspar. This feldspar content distinguishes arkose from typical sandstones, giving it a unique composition and appearance. Arkose is often formed from the breakdown and weathering of granitic rocks, which are rich in feldspar.

How can a half-life be used to tell the age of a sample?

The half life of a radioactive substance is the time it takes for half of that substance to undergo radioactive decay. In some substances, like carbon 14, the proportion of it in a living being can be estimated, so the amount of it left in a sample correlates to the time since that sample was alive. Other substances, like, for example, Potassium 40, decays into Argon 40. The ratio of K40 to Ar40 in rock samples gives the age of some igneous rocks.

What fossils show the evolution of man?

Here is a short list of transitional fossils:

Cladoselache

tristychius

ctenacanthus

paleospinax

spathobatis

Protospinax

Acanthodians

cheirolepis

mimia

Canobius

Aeduella

Parasemionotus

Oreochima

leptolepis

Osteolepis

Eusthenopteron

Sterropterygion

tiktaalik

panderichthys

Elpistostege

Obruchevichthys

Hynerpeton

Acanthostega

Ichthyostega

Pholidogaster

Pteroplax

Dendrerpeton acadianum

Archegosaurus decheni

Eryops megacephalus

Trematops

Amphibamus lyelli

Doleserpeton annectens

vieraella

Proterogyrinus

Limnosclis

Tseajaia

Solenodonsaurus

Hylonomus

Paleothyris

Captorhinus

Petrolacosaurus

Araeoscelis

Apsisaurus

Claudiosaurus

Planocephalosaurus

Protorosaurus

Prolacerta

Proterosuchus

Hyperodapedon

Trilophosaurus

Coelophysis

Deinonychus

Oviraptor

Lisboasaurus

Archeopteryx

Sinornis

Ambiortus

Hesperornis

Ichthyornis

Paleothyris

Protoclersydrops

Clepsydrops

Archaeothyris

Varanops

Haptodus

Dimetrodon

Sphenacodon

Biarmosuchia

Procynosuchus

Dvinia

Thrinaxodon

Cynognathus

Diademodon

Proelesodon

Probainognathus

Exaeretodon

Oligokyphus

Kayentatherium

Pachygenelus

Diarthrognathus

Adelobasileus

Sinoconodon

Kuehneotherium

Eozostrodon

Morganucodon

Haldanodon

Peramus

Endotherium

Kielantherium

Aegialodon

Steropodon

Vincelestes

Pariadens

Kennalestes

Cimolestes

Procerberus

Gypsonictops

Palaechthon

Purgatorius

Cantius

Pelycodus

Amphipithecus

Pondaungia

Parapithecus

Propliopithecus

Aegyptopithecus

Proconsul

Limnopithecus

Dryopithecus

Pakicetus

Nalacetus

Ichthyolestes

Gandakasia

Ambulocetus

Himalayacetus

Attockicetus

Remingtonocetus

Dalanistes

Kutchicetus

Andrewsiphius

Indocetus

Qaisracetus

Takreacetus

Artiocetus

Babiacetus

Protocetus

Pappocetus

Eocetus

Georgiacetus

Natchitochia

Dorudon

Ancalacetus

Zygorhiza

Saghacetus

Chrysocetus

Gaviacetus

Pontogeneus

Basilosaurus

Basiloterus

Sahelanthropus tchadensis

Orrorin tugenensis

Ardipthecus ramidus

Ardipithecus kadabba

Australopithecus afarensis

Australopithecus africanus

Australopithecus anamensis

Australopithecus garhi

Australopithecus aethiopicus

Australopithecus boisei

Australopithecus robustus

Australopithecus bahreghazali

Homo habilis

Homo rudolfensis

Homo erectus.

How do you get the fossil cannon on fossil fighters?

In Fossil Fighters, the Fossil Cannon is obtained by talking to the cleaning room supervisor in the Vivosaur cleaning room after completing the main story. You'll need a certain number of stickers to unlock the Fossil Cannon, which allows you to clean fossils more efficiently.

How long fecalysis sample needed to be preserved?

Fecal samples for analysis should ideally be preserved within 2-6 hours of collection to ensure accurate results. It is important to keep the sample sealed and refrigerated until it can be delivered to the laboratory for processing.

How do you get the 2 fossil?

As Far As I Know, It Is Impossible To Aquire Both The Root And Claw Fossil In The Mirage Tower As One Of Them Will Dissapear Into The Sand. The Game Was Designed For You To Only Take One Of The Two, And So I Would Consider It An Impossibility To Get Both.

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I heard online that the other fossil can be found in the Desert Underpass after defeating the Hoenn Elite Four and Champion.

What do fossils tell us about the living thing that is fossilised?

Fossils provide information about the physical characteristics, behavior, and ecology of the organism that is fossilized. By studying fossils, scientists can learn about the morphology, diet, habitat, and evolutionary relationships of the extinct organism. Additionally, fossils help in understanding the past environments and climate in which the organism lived.

Are skeletons fossils as well?

The main kind of dinosaur fossils are dinosaur bones buried in the earth. Paleontologists dig them up and assemble them. Other kinds of fossils are footprints that were laid down in mud that hardened, eggs that were covered with mud that hardened, and the outlines of skin or feathers. Scientists are trying to recover dinosaur DNA.
Dinosaur fossils are any piece of evidence that was preserved in some form, and was left by dinosaurs. These include remains, such as bones and eggshells, as well as footprints. Even dinosaur dung is considered a fossil!
A dinosaur fossil is a part of the animal that lived millions of years ago, or the shape of one of the parts of the dinosaur that is now preserved in a rock.

What soft parts of organisms are most likely to become fossils?

Soft tissues such as skin, fur, feathers, and organs are less likely to become fossils compared to hard parts like bones, teeth, shells, and exoskeletons. Rapid burial in sediment or other materials can better preserve soft parts, but this is less common than the preservation of hard parts.

Where can i find Fossil arkitekt fs-4183 110605?

You may be able to find the Fossil Arkitekt FS-4183 watch for sale on online marketplaces such as eBay or Amazon, or through independent retailers that specialize in vintage or pre-owned watches. It may also be worth checking with local jewelry stores or watch retailers to see if they have any in stock or can help locate one for you.

Should you buy fossil fighters or pokemon?

If you enjoy monster-collecting games and turn-based battles, then Pokemon is the better choice due to its large and diverse roster of creatures, vast world to explore, and competitive battling scene. However, if you're looking for a unique twist on the genre with a focus on fossil excavation and reviving dinosaurs, then Fossil Fighters may be the more intriguing option. Ultimately, the decision comes down to personal preference in terms of gameplay and theme.

Fossils of fish appeared approximately 500 mya during the what?

Fossils of fish appeared approximately 500 million years ago during the Cambrian period. This period saw the rapid diversification of life forms in the oceans, including the development of early fish species.

What type of Battery does a Fossil brain technology watch have?

Fossil watches with hybrid smartwatch technology use a replaceable coin cell battery, typically a CR2430 or CR2450. These batteries last for several months to a year, depending on usage. It's recommended to use the specific battery type suggested by Fossil to ensure optimal performance.

Why are people still using fossil fuel?

Another contributor wrote:

Burning fossil fuels, as we are doing in industry, transport and for generating electricity, releases carbon dioxide, a major greenhouse gas.

Normally carbon dioxide is removed from the atmosphere by various ways through the carbon cycle, however, carbon dioxide from fossil fuels has been hidden away for millions of years, and only now is being released. The carbon cycle is only able to remove part of this gas. It is this extra gas that is causing global warming. And global warming is causing climate change.

Why are fossils and artifacts important in THE study of anthropology?

Fossils reveal many fascinating facts about the past.

Fossils also help us understand past climates, including ice ages and periods that were warmer than our present climate. Knowledge from the study of fossils is helping geoscientists understand global warming and its effects. By studying the catastrophic extinction of the dinosaurs and many other life forms at the end of the Cretaceous Period, geoscientists have gained insight into the evolutionary implications of impacts by extraterrestrial objects. Investigating the physical and chemical characteristics of fossil organisms that lived during times of drastic climatic change helps us understand the implications of the changes we are making in our own environment.

Get the claw fossil or the root fossil in sapphire?

In Pokémon Sapphire, you can choose to revive either the Claw Fossil into Anorith or the Root Fossil into Lileep. The decision is up to personal preference based on which Pokémon you prefer to have on your team.

Is there a site that offers live chat for fossils?

No: the animals can't chat because they've been dead for millions of years... :-) Try searching under "geology", "palaeontology" or "fossils" with "forum" after the name. How "good" any site you find is, will rather depend on your tastes and interests and level of knowledge.

Can you get unlimited donation points in fossil fighters?

yes just clean fossil rocks that dont have new under the fossil rock in foosil fighters and clean that if its lower score it gets donated to the fossil center and thats how you get donation points

The Archean Eon spans the time from the formation of the Earth until years ago?

The Archean Eon spans from the formation of the Earth around 4.6 billion years ago to approximately 2.5 billion years ago. This eon is marked by the formation of the first continents, the emergence of life in the form of prokaryotic cells, and the development of the Earth's atmosphere.

A dinosaur tooth can be fossilized when the minerals that make up rock replace the minerals that is made up the bones what is this process called?

This process is called fossilization. Minerals from the surrounding rock infiltrate the bone structure, gradually replacing the organic material with minerals such as silica or calcite, turning it into a fossil.

How does determining the ages of igneous rocks help to date fossils?

Determining the ages of igneous rocks helps to establish the age of the rock layer in which fossils are found. By dating the igneous rocks above and below the fossil-containing layer, scientists can narrow down the possible age range of the fossils found within that layer. This helps to provide a more accurate estimate of the fossil's age.

How do people know what the earth was like billions of years ago?

Scientists do not know exactly what happened, but they are able to make educated guesses from volcanic rocks and fossils. From these rocks and fossils, an age can be determined and sometimes what the rock/fossil went through. One example of this is a fossilized dinosaur foot print. From the fossil, scientists can find the species of dinosaur, and when it lived. They can find the age of the fossil similar to how you can find the age of a tree. In a tree, there are many rings and each of these is a layer that forms over the year. This is similar to how you can find the age of a rock/fossil.