{"id":751,"date":"2020-09-15T19:51:57","date_gmt":"2020-09-15T23:51:57","guid":{"rendered":"https:\/\/pressbooks.bccampus.ca\/geolmanual\/?post_type=chapter&p=751"},"modified":"2021-09-19T19:44:16","modified_gmt":"2021-09-19T23:44:16","slug":"lab-4-activity","status":"publish","type":"chapter","link":"https:\/\/pressbooks.bccampus.ca\/geolmanual\/chapter\/lab-4-activity\/","title":{"raw":"Lab 4 Activity","rendered":"Lab 4 Activity"},"content":{"raw":"

Overview<\/h1>\r\nFor Lab 4 you will identify the 11 igneous rock samples in your lab kit based on observations of their colour, texture, and mineral content. The samples include the following igneous rocks:\r\n\r\n\r\n\r\n\r\n
Igneous Rock Sample List<\/caption>\r\n
Andesite<\/td>\r\nGabbro<\/td>\r\nPegmatite<\/td>\r\nPumice<\/td>\r\n<\/tr>\r\n
Basalt (x2)<\/td>\r\nGranite<\/td>\r\nPeridotite<\/td>\r\nRhyolite<\/td>\r\n<\/tr>\r\n
Diorite<\/td>\r\nObsidian<\/td>\r\n<\/td>\r\n<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n

Samples to Use for Lab 4<\/h1>\r\nUse the samples with \"RIg\" in the sample number. They are numbered 230RIg through 330RIg. You will also need the Lab 4 worksheet that came with your lab materials.\r\n

What to Do Next<\/h1>\r\nUse the Lab 4 worksheet (Figure 3.9) to record your observations and guide you through the identification process for each igneous rock in your set.\r\n\r\nRefer to Figures 3.10 to 3.12 in the Reference Tools for Igneous Rocks<\/em> <\/a>section of this lab manual to help you match your observations with a name.\r\n\r\n \r\n
REMEMBER:<\/strong> Where appropriate, include textures like amygdaloidal, porphyritic, and vesicular when you name a sample. (e.g., vesicular basalt)<\/div>\r\n
<\/div>\r\n
\r\n\r\n[caption id=\"attachment_1233\" align=\"alignnone\" width=\"1024\"]\"\"<\/a> Figure 3.9 |<\/strong> Worksheet for Lab 4. Source: Karla Panchuk (2020) CC BY-NC-SA 4.0. Get this worksheet as a PDF file.<\/a>[\/caption]\r\n\r\n<\/div>\r\n ","rendered":"

Overview<\/h1>\n

For Lab 4 you will identify the 11 igneous rock samples in your lab kit based on observations of their colour, texture, and mineral content. The samples include the following igneous rocks:<\/p>\n\n\n\n\n\n
Igneous Rock Sample List<\/caption>\n
Andesite<\/td>\nGabbro<\/td>\nPegmatite<\/td>\nPumice<\/td>\n<\/tr>\n
Basalt (x2)<\/td>\nGranite<\/td>\nPeridotite<\/td>\nRhyolite<\/td>\n<\/tr>\n
Diorite<\/td>\nObsidian<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Samples to Use for Lab 4<\/h1>\n

Use the samples with “RIg” in the sample number. They are numbered 230RIg through 330RIg. You will also need the Lab 4 worksheet that came with your lab materials.<\/p>\n

What to Do Next<\/h1>\n

Use the Lab 4 worksheet (Figure 3.9) to record your observations and guide you through the identification process for each igneous rock in your set.<\/p>\n

Refer to Figures 3.10 to 3.12 in the Reference Tools for Igneous Rocks<\/em> <\/a>section of this lab manual to help you match your observations with a name.<\/p>\n

 <\/p>\n

REMEMBER:<\/strong> Where appropriate, include textures like amygdaloidal, porphyritic, and vesicular when you name a sample. (e.g., vesicular basalt)<\/div>\n
<\/div>\n
\n
\"\"<\/a>
Figure 3.9 |<\/strong> Worksheet for Lab 4. Source: Karla Panchuk (2020) CC BY-NC-SA 4.0. Get this worksheet as a PDF file.<\/a><\/figcaption><\/figure>\n<\/div>\n

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