Mineralogy and Petrology Set 3

Which of the following must be determined with specific accuracy to obtain a reduced gravity value accurate to ±1 gu?

The statement "Lead and zinc occur in higher crustal levels in many quartz sulphide gold copper epithermal deposits" is:

Which alkane range is most likely to form gasoline during petroleum refining?

Selenite, a variety of gypsum, is also known as:

What statistical term refers to a graph of frequency against value?

In geochemical exploration, anomalies are defined to identify areas of interest. In the simplest case, which of the following constitutes significant anomalies?

Which of the following is NOT a calcium pyroxene mineral?

Nonmetallic minerals are most commonly classified by:

Which mathematical operation describes the change in shape of a waveform after passing through a filter?

Which arc-related sulfidation deposit is highly prevalent in the SW Pacific rim?

Which of the following minerals is a key indicator of the propylitic alteration zone in a porphyry copper system?

What type of chromite is typically used in bricks and foundry sand due to its heat-resistant properties?

In mineral resource classification, which category has the lowest level of geological knowledge and confidence?

Deposits formed at depths of 3,000 to 15,000 meters below the surface and at temperatures of 300 to 600°C are categorized as:

Which volcanic rock is compositionally equivalent to Norite?

Which of the following is NOT typically an ore occurrence in a porphyry copper system?

A coarse-grained rock contains 40% potash feldspar, 45% sodic plagioclase, 10% quartz and 5% hornblende. Based on IUGS classification, it is identified as:

Which of the following is NOT a key requirement for a seismic source used in geophysical surveys?

Which of the following is a potash feldspar mineral?

The world's finest rubies have historically been associated with mines in:

Which of the following is NOT a characteristic of high sulfidation epithermal deposits?

Which sedimentary feature(s) can be utilized to determine paleocurrent directions?

Mount Hibok-Hibok, an active volcano, is located in:

Which of the following is NOT a common characteristic of epithermal deposits?

Which of the following does NOT influence the resistivity of a rock?

For most carbonate reservoirs, porosity is:

An exploration drill hole is oblique to a strata-bound orebody at 22 degrees. If the apparent thickness of the intercepted core is 200m, what is the true thickness?

The term 'jade' refers to which two distinct minerals?

Which of the following is NOT an important component of magmatic aqueous solutions?

A vein deposit is intersected by a vertical drillhole at a 22-degree angle at 200m depth. What is the true thickness of the intercepted vein?

Which of the following is NOT a phyllosilicate mineral?

Which of the following does NOT belong to the garnet group of minerals?

The chemical composition of the copper iron sulfide mineral bornite is:

Which of the following is closest to the specific gravity of gold?

What is the volcanic equivalent of the plutonic rock Syenite?

During a river flood, where are fine-grained sediments usually deposited?

Which crystal system is characterized by three unequal axes, where two axes intersect at an oblique angle and the third is perpendicular?

Which of the following is NOT a cobalt ore mineral?

Which of the following is NOT considered an evaporite mineral?

What is considered the most effective method for elemental analysis of gold?

Which of the following factors does NOT affect the density of rocks?

What type of calculation is described as considering mining, metallurgical, economic, marketing, legal, environmental, social, and governmental factors?

The term 'rudaceous' is synonymous with which of the following?

Alkanes in the C14-C18 range are most likely to form which petroleum product?

Acoustic impedance is expressed as:

A coarse-grained plutonic rock is composed of 65% sodic plagioclase, 30% quartz, and 5% orthoclase. This rock is classified as:

A mineral company is flying a plane with a magnetometer over an area to detect mineral deposits. Which element is this method most likely to detect?

When using gravimeters, what precision must be achieved to obtain a reduced gravity value accurate to ±1 gu?

In what type of deposit are lead and zinc NOT typically found in higher crustal levels?

Which of the following petroleum products is most likely formed from alkanes in the C5-C10 range during petroleum refining?

Which variety of gypsum is characterized by its fibrous appearance and pearly luster?

What type of graph represents the frequency distribution of a dataset?

What combination of elemental characteristics defines significant anomalies in geochemical exploration?

Which of the following calcium pyroxenes contains essential sodium content?

What is the most common basis for classifying nonmetallic minerals in industry?

What mathematical process describes how a filter modifies the shape of a waveform?

Which type of arc-related sulfidation deposit is characterized by carbonate rocks and significant base metal concentrations, and is commonly found in the Southwest Pacific Rim?

Which mineral is characteristically associated with propylitic alteration zones in porphyry copper systems, but is not a key defining mineral?

Which type of chromite is specifically valued for its ability to withstand high temperatures, making it suitable for use in bricks and foundry sand?

In mineral resource estimation, which category reflects the lowest level of geological certainty?

What type of hydrothermal ore deposit forms at depths of 3,000 to 15,000 meters with temperatures between 300 to 600°C?

What volcanic rock shares a similar composition to the plutonic rock norite?

Which of the following is NOT a typical mode of copper mineralization within a porphyry copper system?

According to the IUGS classification, how would a coarse-grained rock consisting of 40% potash feldspar, 45% sodic plagioclase, 10% quartz, and 5% hornblende be classified?

Which of the following best describes the essential attributes of a seismic source used in geophysical surveys?

Which of the following is a potassium-rich feldspar mineral?

Historically, what is the primary geographic origin of the world's most highly valued rubies?