{"id":93,"date":"2020-09-15T19:51:57","date_gmt":"2020-09-15T19:51:57","guid":{"rendered":"https:\/\/pressbooks.bccampus.ca\/geolmanualed2\/chapter\/lab-4-activity\/"},"modified":"2024-08-31T18:49:28","modified_gmt":"2024-08-31T18:49:28","slug":"lab-4-activity","status":"publish","type":"chapter","link":"https:\/\/pressbooks.bccampus.ca\/geolmanualed2\/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 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\nCollect the following rock samples:\r\n\r\n\r\n\r\n\r\n\r\n
SI-31<\/td>\r\nSI-35<\/td>\r\nSI-47<\/td>\r\nSI-42<\/td>\r\n<\/tr>\r\n
SI-32<\/td>\r\nSI-45<\/td>\r\n300RIg<\/td>\r\nSI-43<\/td>\r\n<\/tr>\r\n
SI-41<\/td>\r\nSI-36<\/td>\r\nSI-37<\/td>\r\n<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\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.\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_401\" align=\"alignnone\" width=\"1024\"]\"\" Figure 3.9 |<\/strong> Worksheet for Lab 4. Source: Saoirse MacKinnon (2024) 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 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

Collect the following rock samples:<\/p>\n\n\n\n\n\n
SI-31<\/td>\nSI-35<\/td>\nSI-47<\/td>\nSI-42<\/td>\n<\/tr>\n
SI-32<\/td>\nSI-45<\/td>\n300RIg<\/td>\nSI-43<\/td>\n<\/tr>\n
SI-41<\/td>\nSI-36<\/td>\nSI-37<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\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.<\/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
\"\"
Figure 3.9 |<\/strong> Worksheet for Lab 4. Source: Saoirse MacKinnon (2024) CC BY-NC-SA 4.0. Get this worksheet as a PDF file.<\/a><\/figcaption><\/figure>\n<\/div>\n

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