Question: What is Rb Sr decay system?

The Rb–Sr decay system is one of the most widely used geochronometers for obtaining ages and cooling rates of terrestrial magmatic, metamorphic, and hydrothermal events. It has also been extensively applied to date extraterrestrial, early solar system events.

What is Rb ratio?

Rb is incorporated in K minerals and Sr in Ca minerals and hence the Rb/Sr ratio amplifies any increase in K or loss of Ca in hydrothermal alteration zones. Granites associated with mineralization commonly have a high Rb/Sr ratio as a result of fractionation.

What is Pb ratio in stock market?

The price-to-book ratio compares a companys market value to its book value. The market value of a company is its share price multiplied by the number of outstanding shares. Overvalued growth stocks frequently show a combination of low ROE and high P/B ratios.

Is low PB ratio good?

Conventionally, a PB ratio of below 1.0, is considered indicative of an undervalued stock. Some value investors and financial analysts also consider any value under 3.0 as a good PB ratio.

What is a good P E?

The average P/E for the S&P 500 has historically ranged from 13 to 15. For example, a company with a current P/E of 25, above the S&P average, trades at 25 times earnings. The high multiple indicates that investors expect higher growth from the company compared to the overall market.

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