Sentence examples for geological time frame from inspiring English sources

Many credit punctuated equilibrium with promoting the flowering of the field of macroevolution, in which researchers study large-scale evolutionary changes, often in a geological time frame.

Just 15 short days ago -- a blink of an eye in the geological time frame of a three-term mayoralty -- public school students across the city were demanding the ouster of Mayor Michael R. Bloomberg.

In 1975, Peter Dodson, examining why there should be so many species and genera of lambeosaurine duckbills within such a short geological time frame and small area, published the results of a morphometric study in which he measured dozens of skulls.

This implies that, within a short geological time frame, mainland North American ancestors of P. longirostris colonized the recently emergent Bermuda and the entire lineage subsequently vanished from the mainland.

The lack of intermediate forms has reinforced the de novo model of shell evolution, and some have described the shell to have appeared within a short geological time frame through the differentiation of dermal bones (Gilbert et al. 2001).

While environmental conditions may have been conducive to the appearance of life early in martian history, habitable conditions were always heterogeneous on a spatial scale and in a geological time frame.

Dylan poses philosophical musings and rhetorical questions amid antiquated word choices (in the days of "Ban the Bomb," he's going on about "cannonballs"), geological time frames (those washed-to-the-sea mountains), and Old Testament allusions.

Evaporation, which provides salts to the soils through mineral precipitation, decreases with increasing salt crust thickness, and average ~ 0.03 mm m− 2 d− 1 over geological time frames.

Both differences may be accounted for by the much younger age of the architectural varnish compared to varnish deposits formed over glacial to geological time frames.

It has been noted that evolutionary rates calculated over short timescales, such as those calculated from population genetic data, are much greater than those calculated across geological time frames, such as species evolutionary rates.

Surely it's a match made in classical music heaven: that Simon Rattle should take over at the helm of the London Symphony Orchestra when Valery Gergiev's tenure ends in 2015, and shortly before - well, "shortly" in the context of the geological time-frames with which classical music's institutions plan ahead - Rattle rescinds his Berlin Philharmonic job in 2018.