Which of These Age Ranges Best Describes the Lunar Maria

The Moon has two distinct types of terrain. B the oldest rocks are at least as old as the mare but some craters are much younger.

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There are evidence that most large impact basins were excavated in the lunar surface mainly during the heavy bombardment of the inner solar system or lunar cataclysm occurred in the range of 41 to 38 billion years ago in the Early Imbrian epoch.

. 24 billion years d. Which of these age ranges best describes the lunar maria. The Solar System is thought to be a.

The highlands and are thought to be the youngest features on the Moon b. Which of these age ranges best describes the lunar maria. The floors of deep craters in the polar regions as ice deposited that never thaw.

Ages up to 46 billion years d. The rate of cratering in the lunar highlands shows us that A most of the asteroids must have hit the. The lunar maria are.

C Volatiles escaping from the Moons interior heated and eroded the surface in the regions of the maria. 46 million years b. The radiometric ages range from about 316 to 42 billion years old Ga whereas the youngest ages determined from crater counting are about 12 Ga.

Mars captured asteroids from the asteroid belt. They are the oldest part of the lunar surface. The remote dating of lunar maria has beenconducted by lunar researchers in the following ways.

D The giant impact that created the Moon left smooth areas that we call the maria. 60 ______ A 25 - 10 billion years B a few million years to present lava flows seen eruptingC 39 - 32 billion yearsD 86 - 60 billion years E 100 - 65 million years. The Grand Canyon Which of these age ranges best describes the lunar maria.

A 86 - 60 billion years B 39 - 32 billion years C 25 - 10 billion years D 100 - 65 million years E a few million years to present lava flows seen erupting 26. Which of these age ranges best describes the lunar maria. Comparing total crater frequencies using the assumption that more heavily cratered maria are older Example.

46 million years old c. Boyce and Johnson 1977 Comparing the. 100 - 200 million years old b.

The ages of the mare basalts have been determined both by direct radiometric dating and by the technique of crater counting. The maria and the highlands. Which of these is not a result of plate tectonics.

This preview shows page 6 - 8 out of 10 pages. Which of these age ranges best describes the lunar maria. The lunar maria or plains which were formed between 31 and 39 billion years ago are the youngest geologic units on the lunar surface except for more recent impact craters.

From meteorite and lunar rock samples astronomers have determined the age of the Solar System to be ____. Which lunar surface feature is an indication of past fluid flow. A they range from 46 - 44 billion years old on average.

The highlands and are heavily cratered c. A thicker crust e. Nevertheless the majority of mare basalts appear to have erupted between about 3 and 35 Ga.

Substantially fewer craters c. Compared with the side of the Moon facing the Earth the lunar backside has a. Which of these age ranges best describes the lunar maria.

A 25-10 billion years b 86-60 billion years c 100-65 million years d 39-32 billion years e a few million years to present lava flows seen erupting. The Moon is coverered with a gently rolling layer of powdery soil with scattered rocks that is called the. The Lunar Surface Material.

Weather always occurs in the lowest later of the atmosphere the. On the image of the Moon below label the specified regions as either maria or highlands. Asked Sep 24 2016 in Physics Space Science by Kayla90.

The release of heat from large impacts caused extensive melting and extrusion of. How did Mars get its two moons. Older than the lunar highlands.

Less than one billion years old. 10 million years c. The maria and are thought to be around 32 - 38 billion years old e.

A 25 - 10 billion years B a few million years to present lava flows seen erupting C 39 - 32 billion years D 86 - 60 billion years E 100 - 65 million years. The lava plains of the lunar lowlands. The maria and are thought to be old.

The major presence of water detected on the moon is in. The bulk density of the Moon is 34 gcc which is comparable to that of volcanic basaltic lavas on the Earth however the bulk density of the Earth is 55 gcc because of the dense ironnickel core. B The early bombardment created heat that melted the lunar surface in the regions of the maria.

C most of the asteroids must have hit the Moon not the Earth. On the other hand most lunar mare basalts last from 38 until 32 billion years ago. 39 - 32 billion years.

46 billion years e. Most of the Moons surface is densely covered with craters but we find relatively few craters. The smooth plateaus of the lunar highlands.

What is true of the lunar highlands. When strong solar wind storms are diverted poleward by our magnetic fields we often observe. 46 billion years old d.

Wind-swept plains formed early in the Moons history 13. 39 - 32 billion years What is true of the lunar highlands. 60 Which of these age ranges best describes the lunar maria.

Substantially fewer mountain ranges d. Moving plates of lunar crust. 84 billion years 18.

Buratti in Encyclopedia of Physical Science and Technology Third Edition 2003 VA2 Maria and Basins.

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