Hydrocarbon weathering color age dating

Historical geology: Introduction to the earth’s history, origin of the Earth and its place in the solar system, the most important events (e.g.

orogenic, biologic, sedimentation, climatic, etc.) occurred during the geologic history of the earth starting from the Precambrian to the present time.

alkaline - Term pertaining to a highly basic, as opposed to acidic, substance.

For example, hydroxide or carbonate of sodium or potassium.

This image taken with the Cassini radar instrument shows two craters on Titan: the crater Sinlap (left), which is a relatively 'fresh' crater, with a depth-to-diameter ratio close to what we see on Ganymede, and Soi (right), an extremely degraded crater, with a very small depth compared to similar craters on Ganymede. The Soi image is a mosaic of two images from May 21, 2009 and July 22, 2006.

These craters are both about 80 km (almost 50 miles) in diameter. Credit: Catherine Neish/NASA/JPL-Caltech/ASI/GSFC › Full-resolution copy › More Titan images Titan's siblings must be jealous.

"It's possible that there are many more craters on Titan, but they are not visible from space because they are so eroded.

We typically estimate the age of a planet's surface by counting the number of craters on it (more craters means an older surface).

accrete - To add terranes (small land masses or pieces of crust) to another, usually larger, land mass. age - A unit of geological time shorter than an epoch, usually lasting several million years.

The RECOVER team is ready to have a good time sharing their science about mahi-mahi and red fish at the Rock the Ocean’s Tortuga Music Festival on Ft Lauderdale Beach, FL.

The three-day music festival designates an area dubbed “Conservation Village” for attendees to learn about important marine issues and how they can help. The ECOGIG Ocean Discovery Zone provides activity stations that give information about the oil spill and healthy ocean ecosystems.

But if processes like stream erosion or drifting sand dunes are filling them in, it's possible that the surface is much older that it appears." "This research is the first quantitative estimate of how much the weather on Titan has modified its surface," adds Neish.

Titan is the only moon in the solar system with a thick atmosphere, and the only world besides Earth known to have lakes and seas on its surface.

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