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Explain the relationship between the age of minerals within a clastic sedimentary rock and the timing of the rock's formation?
Since the rock particles, or clasts, that go into the making of a clastic sedimentary rock are weathered and eroded out of a previous rock formation, logically, they would be older than the cementious material that holds together the newly formed clastic sedimentary rock. Visualize a piece of San Onofre breccia, a sedimentary breccia rock which contains volcanic basalts, metamorphic schists, and other rocks, all cemented together as a sedimentary rock. The pieces of the rock are all from previously formed and eroded rocks. Although the sedimentary rock is fairly new, geologically speaking, the rock parts that make it up are much older.
What rock is made of grains of sand?
A grain of sand is transported by wind, ice or water and then deposited and buried along with many other grains of sand, and compacted (squashed under pressure), usually at the bottom of an ocean or a lake; the squashed-together grains of sand are then infiltrated and held together by a mixture of water and a mineral such as calcite (which act as a natural cement). Sands form sandstones, which are classified as sedimentary rocks. It can take milionsof years for significant amount of sandstone to form.
How do the ages of the oldest sediments compare to the ages of the oldest continental rocks?
The oldest sediments are generally younger than the oldest continental rocks. Sediments are continuously being deposited on the Earth's surface, while continental rocks have undergone processes of solidification and deformation over billions of years. This means that the oldest continental rocks are usually much older than the oldest sediments.
What was it like 1000 years ago?
1000 years ago, the world was very different. Most people lived in rural areas and led agrarian lifestyles. There were great empires such as the Byzantine Empire, Abbasid Caliphate, and Song Dynasty. Technology and infrastructure were much less developed than today.
How can an igneous or metamorphic rock change into a sedimentary rock?
A sedimentary rock can change from that to a metamorphic rock then into an Igneous rock. e.g. Mudstone (sedimentary) is in the Zone of Diagenesis, when it is subjected to regional metamorphism (in mountain belts) it changes from a mudstone to a slate (low grade) then to a Phillite (medium grade) then a Schist (medium) then a gneiss (high grade) then into a Milonite (high grade) then once past the line of partial melting it has so much pressure and so much temperature that it turns into an Igneos rock. This is the basic explanation of this. If you want to know more, just ask me.Sedimentary rocks are changed into metamorphic by being buried deep enough that the heat and pressure alter their text, mineralogy, or other characteristics.
If you deposited 1000 in a savings account that pays 8 percent interest quarterly how much could you have in eighteen months?
1000*(1.08)6 = 1586.87.
How much money should be deposited at 4.5 percent interest compounded monthly for 3 years?
"How much money should be deposited at 4.5 percent interest compounded monthly for 3 years?"Incomplete question.... to do what?
How much is an millenium'?
1000 years
How much longer will you live?
about 1000 years
Can geologists use radioactivity to find the absolute ages of sedimentary layers?
No, if you use radiometric dating techniques on sedimentary rocks you will find the age of formation of the constituent grains which will originally have been weathered and eroded from a source or parent rock and as such the age of the grains is potentially much larger than the age of the sedimentary rock that they have since been deposited to form.
How much is 1000 days?
2 years and 270 days
Do Igneous rocks change into sedimentary rocks?
Normally when sedimentary rocks are squashed and heated they do indeed change, they become metamorphic rocks. e.g. mud will be turned into slate - limestone into marble etc.As the metamorphic temperature and pressure increase still further, most sedimentary rocks end up as Granulites or Banded Gneisses which look very much like igneous rocks (Granites).In the extreme, sedimentary rocks can melt, and these melts will form new magmas which will eventually harden to form new igneous rocks.
How much is 6 percent of 1000 after 20 years?
6 percent of 1000 is 60 - whether now, 20 years ago or 20 years from now.
How much money will be in a bank account after 3 years if 4 is deposited at an interest rate of 5 percent?
$4.63
How much does a mountain loose every 1000 years?
ID
How much is 1000 months?
1000/12 : 83 years 1000*30.43: 30,430 days 30,430/7: 4,347 weeks
If i saved 1000 a week for 10 years how much would i have?
520,000
