|
Gabbro, diorite & rhyolite are part of this rock family, one of the big 3 |
igneous
|
$800 |
DJ |
SCIENCE |
2025-06-17 |
#9357 |
|
Granite & basalt are this type of rock, one of the big 3 |
igneous
|
$800 |
DJ |
SCIENCE |
2022-05-18 |
#8643 |
|
Petrology, the science of rocks, studies the 3 main classes: metamorphic, sedimentary & this one |
igneous
|
$800 |
J |
IT'S A SCIENCE |
2021-12-03 |
#8525 |
|
Of the 3 main classes of rock, this one is further divided into plutonic & volcanic types |
igneous
|
$1,200 |
DJ |
GENERAL SCIENCE |
2008-05-20 |
#5467 |
|
Pumice is a variety of this type of rock formed when lava cools |
Igneous
|
$600 |
DJ |
GENERAL SCIENCE |
1997-05-13 |
#2937 |
|
The name of this class of rock is from the Latin for "fire" |
igneous
DD
|
$3,000 |
DJ |
SCIENCE |
1995-02-01 |
#2403 |
|
Of the 3 main classes of rock, this one is further divided into plutonic & volcanic types |
igneous
|
$200 |
J |
GENERAL SCIENCE |
1993-07-05 |
#2051 |
|
About 2/3 of the Earth's crustal rocks are of this type, formed from a molten state |
igneous
|
$300 |
J |
PHYSICAL SCIENCE |
1992-01-31 |
#1715 |
|
Formed from volcanic matter, basalt is classified as this type of rock |
igneous
|
$200 |
DJ |
SCIENCE |
1992-01-16 |
#1704 |
|
Plutonic & volcanic are two types of this major category of rocks |
igneous
|
$300 |
J |
SCIENCE |
1991-09-12 |
#1614 |
|
This class of rocks formed by the solidification of molten rock includes basalt & granite |
Igneous
|
$600 |
DJ |
PHYSICAL SCIENCE |
1990-09-24 |
#1391 |