stratum

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Related to Geological strata: stratum, Rock strata, Rock layer
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assess the activity of a fault by looking at geological strata formed as far back as 400,000 years.
But the fault lines between the two parties were as deep as in any geological strata, and they only needed a small disturbance to crack them wide open.
These men represented oil companies willing to take a long chance on the uncharted whims of buried geological strata, a risk they rationalised with sophisticated technology and careful organisation.
That is because a lot of the groundwater that exists in geological strata below the ground was deposited in that geology approaching 10,000 years ago, in a different climatic regime.
Aside from a few small maps and an unprepossessing plaster of Paris model of the geological strata of the Fayoum Oasis, there was little information on hand.
Most recently academic writers have talked about various 'regime types' of welfare states (liberal, laborist, corporatist, social democratic, etc) treating these as geological strata are by geologists, or else, if they have an eye for politics, treating them as active volcanoes are treated by vulcanologists.
Scholarly editions are constructed like geological strata.
The area is also underlain by geological strata that have the potential to become significant areas of oil and natural gas production.
By doing so, Aardsma posits that the vast majority of geological strata and fossils, including possibly even some human archeological remains, are part of our virtual history, albeit a virtual history reflective of a world inflicted by the curse.
Several key issues feature on the agenda, including seismic data analysis, heavy oils, the re-exploration of geological strata and geochemistry.
For example, in the 19th century, society members fought "the Great Devonian Controversy" over competing interpretations of geological strata in Wales and England.

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