Antoine-Laurent Lavoisier Lavoisier was to become the greatest chemist of the 18thĬentury, but before this, while his chemical interests were still growing, Relationships ALL ABOUT INFERRING TIME FROM GEOMETRY This seems to have had a big effect in a number of places,Įspecially France and Great Britain where the next major advances were Steno postulated 4 principles of stratigraphy * 1. THIS WORK WAS THE FOUNDATION OF OUR UNDERSTANDING OF READING THE ROCK RECORD "The prodromus of Nicolaus Steno's dissertation concerningĪ solid body enclosed by a process of nature within a solid" Tooth) get within another solid body (i.e. This lead him to his second work which was of great power,Īnd dealt with the question of how did a solid body (such as the sharks That the Glossopetrae were in fact the teeth of sharks that had lived when Steno did a detailed description of a sharks head and reasoned Some layers in the mountains around Tuscany. "The head of a shark dissected" Glossopetrae or "tongue stones" were found scattered along He wrote the first real geological treatise while living in Tuscany, Italy: Most important is the Dane Nils Stensen - AKA ? Nicolaus Steno: These principles go back to the 17th century. There are three basic fields: * STRATIGRAPHY Which have stood up over many tests - HELPS US TO EXTEND OUR PERCEPTION What does this body consist of in Geology and Paleontology that helps we go into a large body of shared knowledge - i.e. Now in the case of our little dinosaur, we can't start at the beginning Of course, motivation of participants is complex and may have So what makes science different is that it is constantly testedĪgainst correspondence to reality. Law - Rule of conduct and persuasion, no necessary correspondence Literary criticism, Poetry, and Music interpretation, are similar. and you may feel many equally valid emotions. Consider a painting (in this case by Artemisia Gentileschi) of Judith slaying Holofernes (1597?-after 1651) Many equally valid interpretations are possible of this painting Differs from artīecause we agree there is only one explanation, one valid interpretation. Differs from religion because precepts can be changed and mustīe at least potentially subject to external judgment. Is an external source of judgment: * Correspondence to reality * Scientific hypotheses have TESTABILITY. SCIENCE IS BASICALLY A CONVERSATION WITH NATURE Science differs from all other human activities in that there What does that mean? In Science we make up explanatory stories and try to make generalizations. Relation in time to any thing else? You could make up stories.īut how to decide which is right? First, we all agree that we are going to make a scientific You find a dinosaur: How do you know how it got there, its age, and Outcrop in Nova Scotia, Canada of the McCoy Brook Formation ofĮarly Jurassic age in which a dinosaur skeleton was found (box) Lecture 2 - Geological Time Back to Lecture 1
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