PLATE TECTONICS
THIS STRESS DOMINATES AT A CONVERGENT BOUNDARY
WHAT IS COMPRESSION?
A PLANE OF WEAK BONDS WITHIN A MINERAL CRYSTAL
WHAT IS CLEAVAGE?
WHAT IS THE MANTLE?
THE PRINCIPLE THAT SAYS THE OLDEST STRATA ARE ON THE BOTTOM, AND GET YOUNGER GOING UPWARD
WHAT IS SUPERPOSITION?
THEY MAKE UP ROCKS
WHAT ARE MINERALS?
THIS ROCK MAKES UP THE BULK OF THE CONTINENTAL CRUST, AND IS PRODUCED THROUGH REPEATED EPSIODES OF PARTIAL MELTING
WHAT IS GRANITE?
THIS THEORY EXPLAINS HOW A CLOUD OF GAS AND DUST COALESCED INTO OUR SOLAR SYSTEM
WHAT IS THE NEBULAR THEORY?
THIS DETERMINES THE SIZE OF THE CRYSTALS IN AN IGNEOUS ROCK
WHAT IS COOLING RATE?
THE VARIETY OF ROCK THAT INCLUDES FOSSILS
WHAT IS SEDIMENTARY?
ORIGINATOR OF THE IDEA OF CONTINENTAL DRIFT
WHO WAS ALFRED WEGENER?
THE REASON THAT MESOSAURUS FOSSILS CAN BE FOUND IN BOTH WESTERN AFRICA AND EASTERN SOUTH AMERICA
WHAT IS CONTINENTAL DRIFT?
THE SOURCE OF EARTH'S MAGNETIC FIELD
WHAT IS THE OUTER CORE?
AN EXAMPLE WOULD BE, "THE FAULT IS YOUNGER THAN THE SANDSTONE LAYER IT OFFSETS"
WHAT IS THE PRINCIPLE OF CROSS-CUTTING RELATIONSHIPS?
THIS ROCK IS ERUPTED DURING THE PROCESS OF SEAFLOOR SPREADING
WHAT IS BASALT?
THE LARGEST ONE ON RECORD HAPPENED IN 1960 IN CHILE
WHAT IS AN EARTHQUAKE?
A PROCESS OF DYNAMIC RECRYSTALLIZATION UNDER CONDITIONS OF ELEVATED TEMPERATURE AND PRESSURE
WHAT IS METAMORPHISM?
THE SECOND MOST COMMON INGREDIENT IN EARTH'S CORE
WHAT IS NICKEL?
DAILY DOUBLE!
THE DISTINCTIVE REMAINS OF A ORGANISM LIMITED IN GEOLOGIC TIME BUT WIDESPREAD IN GEOGRAPHIC EXTENT
WHAT IS AN INDEX FOSSIL?
IGNEOUS ROCKS THAT FORM ON (OR NEAR) THE SURFACE OF THE EARTH
HE WROTE AN 'ESSAY IN GEO-POETRY' THAT FIRST ARTICULATED SEAFLOOR SPREADING
WHO WAS HARRY HESS?
THIS LAYER OF THE MANTLE IS PARTICULARLY WEAK DUE TO A SMALL AMOUNT OF MELT
WHAT IS THE ASTHENOSPHERE?
A LOW-VELOCITY ZONE AT THE BASE OF THE MANTLE THAT MAY BE THE SOURCE OF MANTLE PLUMES
WHAT IS THE D"?
AN EXAMPLE WOULD BE, "A XENOLITH IS MADE OF ROCK THAT IS OLDER THAN THE ROCK THAT SURROUNDS IT"
WHAT IS THE PRINCIPLE OF RELATIVE DATING BY INCLUSIONS?
A BLOCK OF FOREIGN ROCK SURROUNDED BY IGNEOUS ROCK
WHAT IS A XENOLITH?